text: Image copyright Reuters Image caption Oskar Groening, now 93, has said he had no direct role in killing Jews 
   
   A former Nazi SS guard has said so many trains full of Jews used to arrive at Auschwitz that often two would have to wait with closed doors while people from the first were "processed". 
   
   Most of those who disembarked were gassed to death almost immediately. 
   
   Oskar Groening, 93, was speaking on the second day of his trial for being an accessory to the murder of at least 300,000 Jews at the death camp. 
   
   He has said he is "morally" guilty but had no direct role in the genocide. 
   
   The charges against the former guard relate to a period between May and July 1944 when about 425,000 Jews from Hungary were taken to the Auschwitz-Birkenau complex in Nazi-occupied Poland. 
   
   Image copyright BBC Sport Image caption Oskar Groening described "orderly" scenes as trainloads of Jews were taken to the gas chambers 
   
   Mr Groening, who is being tried in the German town of Lueneburg, said he was regularly assigned to the Auschwitz I section of the complex but also undertook guard duties at Birkenau, where the main gas chambers were located. 
   
   "The capacity of the gas chambers and the capacity of the crematoria were quite limited," he told the court. 
   
   "Someone said that 5,000 people were processed in 24 hours but I didn't verify this. I didn't know. 
   
   "For the sake of order we waited until train one was entirely processed and finished." 
   
   Torn away 
   
   Survivors have said their arrival at Auschwitz was chaotic and deeply traumatic, with Nazi guards shouting orders, dogs barking and families being separated. 
   
   Mr Groening described the scene as "very orderly" and "not strenuous" for him. 
   
   "They all walked, some in one direction, some in another direction... to where the crematoria and gas chambers were," he said. 
   
   Image copyright AFP Image caption Auschwitz survivor Eva Kor recalled being forcibly separated from her mother 
   
   One of the survivors, Eva Kor, 81, said she did not remember Mr Groening personally but could not forget the scene. 
   
   "Everything was going very fast. Yelling, crying, pushing; even dogs were barking. I had never experienced anything that fast or that crazy in my entire life,'' she told AP news agency before addressing the court. 
   
   Her parents and two elder sisters were taken straight to the gas chambers, while she and her twin sister, both 10 at the time, were used in experiments conducted by Nazi doctor Josef Mengele. 
   
   Recalling the moment she was torn away from her mother, she said: "All I remember is her arms stretched out in despair as she was pulled away. 
   
   "I never even got to say goodbye." 
   
   On Tuesday, addressing the judges, Mr Groening said: "I ask for forgiveness. I share morally in the guilt but whether I am guilty under criminal law, you will have to decide.'' 
   
   If found guilty he could face between three and 15 years in prison. 
   
   Auschwitz-Birkenau death camp 
   
   Image copyright AFP 
   
   Construction began in 1940 on site that grew to 40 sq km (15 sq miles) 
   
   About one million Jews were killed at the camp 
   
   Other victims included Roma (Gypsies), disabled people, homosexuals, dissidents, non-Jewish Poles and Soviet prisoners 
   
   Auschwitz 'may turn away visitors' 
   
   How the Holocaust unfolded, year by year 
   
   Why did ordinary people commit atrocities in the Holocaust? 
   
   How did one Englishman save 669 children from the Holocaust? ||||| LUENEBURG, Germany — One of the last remaining survivors of Auschwitz confronted the death camp's so-called accountant on Wednesday, saying her forgiveness of Nazi crimes did not absolve the perpetrators from taking responsibility. 
   
   As a 10-year-old, Eva Kor became prisoner A-7063 at Auschwitz — torn from her family and subjected to horrific medical experiments at the hands of Dr. Josef Mengele, the Nazis' so-called Angel of Death. 
   
   On Wednesday, the now 81-year-old was in court for the trial of 93-year-old Oskar Groening — charged as an accessory to the murder of 300,000 people at Auschwitz. 
   
   "Did you know Josef Mengele?" the Hungarian native asked a fragile Groening. "Did you hear about his experiments?" 
   
   Kor took the stand as the grandson of Auschwitz commandant Rudolf Hoess looked on. She started with a statement about the deaths of 119 of her relatives and told the court how she and her twin sister, Miriam, were torn apart from their family within 30 minutes of arriving at Auschwitz. 
   
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   "We were huddled in our filthy bunk beds, crawling with lice and rats, we were starved for food, starved for human kindness, and starved for the love of the mothers and fathers we once had," she said. 
   
   And then the experiments began. 
   
   Kor said she and Miriam were one set of approximately 1,500 sets of twins subjected to Mengele's gruesome procedures. 
   
   "On alternate days — Tuesdays, Thursdays and Saturdays — we were brought to a lab, which I call the blood lab," she recalled. "They took blood from my left arm and gave me at least five injections into my right arm. Those were the deadly ones." 
   
   Related: Is 'Accountant of Auschwitz' Guilty by Association? 
   
   But the young Eva Moses, as she was called at the time, told the court she had a "fierce determination to live one more day, to survive one more experiment." 
   
   Kor recounted Mengele once looking at her medical charts and laughing sarcastically. "Too bad she's so young," she recalled him saying. "She has only two weeks to live." 
   
   She said: "I knew he was right, but I refused to die." 
   
   Groening was impassive as Kor issued her statement. 
   
   "How do you feel about my forgiving you and all the Nazis for what was done to me?" she also asked. The judge would not allow him to answer Kor's questions, citing court rules. 
   
   "My forgiveness has nothing to do with the perpetrators. It is an act of self-healing, self-liberation, and self-empowerement," she explained. "My forgiveness does not absolve the perpetrators from taking responsibility for their actions, nor does it diminish my need and right to ask questions about what happened at Auschwitz." 
   
   Her testimony on the second day of the trial followed evidence from Groening centering on the selection process for Jews arriving at Auschwitz. 
   
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   He told the court there were just three occasions when he was on the railway platforms — saying it was not his regular duty — and that he had nothing to do with deciding who would live or die. There were two doctors at the head of the lines of disembarking Jews who decided who was fit for work or not, Groening testified. 
   
   Those on board the trains "hadn't a clue" what was about to happen to them, Groening added. 
   
   The charges against Groening relate to the period between May and July 1944 when 137 trains carrying roughly 425,000 Jews from Hungary arrived in Auschwitz. 
   
   At least 300,000 of them were sent straight to the gas chambers, the indictment says. Six million Jews were murdered by the Nazis during the Holocaust.
target: – A former Auschwitz guard being tried on 300,000 counts of accessory to murder has testified that it was clear to him Jews were not expected to leave the camp in Nazi-occupied Poland alive. "I couldn't imagine that" happening, former SS Sgt. Oskar Groening told the Lueneburg state court today during the third day of his trial, the dpa news agency reported. Groening earlier described a veritable traffic jam of trains arriving at the Nazi death camp, reports the BBC. "For the sake of order we waited until train one was entirely processed and finished," Groening testified; that processing involved marching most passengers directly into the gas chambers. The charges against him span from a May-to-July period of 1944 in which some 425,000 Hungarian Jews were sent to Auschwitz. Most were immediately killed. "Someone said that 5,000 people were processed in 24 hours but I didn't verify this," he said. "I didn't know." The 93-year-old's testimony came in response to questions from attorneys representing Auschwitz survivors who have joined the trial as co-plaintiffs, as allowed under German law. Yesterday saw testimony from Eva Kor, now 81, who arrived at Auschwitz as a 10-year-old. As a twin, she was experimented on by Dr. Josef Mengele, reports NBC News. "On alternate days—Tuesdays, Thursdays and Saturdays—[she and sister Miriam] were brought to a lab. ... They took blood from my left arm and gave me at least five injections into my right arm. Those were the deadly ones." NBC reports Groening was expressionless throughout her testimony. He faces three to 15 years in prison if found guilty.