( CNN ) -- A man was shot and killed Saturday in Oakland , California , during a confrontation with Bay Area Rapid Transit officers and Oakland police , police spokesman Jeff Thomason said . The incident occurred after Oakland police received a call about 8:15 a.m. ( 11:15 a.m . ET ) of an armed man walking toward the Fruitvale BART station , according to Thomason . Police notified BART officers , who also responded . BART officers were the first to reach the suspect , described as a Hispanic male between 30 and 40 years old , Thomason said . The BART officers chased the man from the station to the street , where Oakland police joined in the pursuit over four blocks in the Fruitvale area . Thomason said Oakland police tried to Taser the man twice , but to no effect . The man , armed with two knives , then attempted to charge at one of the officers , a police statement said . Multiple officers opened fire , killing him , the statement said . The man has not yet been identified , Thomason said . The shooting is under investigation by the Oakland police homicide unit , internal affairs and the Alameda County district attorney . `` Anytime there is a loss of life , it is a matter of great concern and sadness for us all , '' Oakland Mayor Ronald Dellums said in a statement . `` It is extremely important that we as a community continue to work together in order to provide a safe and secure environment . Therefore , a thorough investigation of the circumstances surrounding this death has begun . '' BART police have also opened a separate , parallel investigation . The incident comes more than a week after a former BART police officer was found guilty of involuntary manslaughter in the 2009 shooting death of an unarmed black man on a train platform at the Fruitvale station . The January 1 , 2009 , shooting of 22-year-old Oscar Grant was captured on a bystander 's cell-phone video camera . The video was widely circulated on the Internet and on news broadcasts , and it spurred several protests in and around Oakland . The video showed former officer Johannes Mehserle pulling his gun and fatally shooting Grant in the back as another officer knelt on the unarmed man . Mehserle and other Bay Area Rapid Transit police had been called to the Fruitvale station after passengers complained about fights on a train . Officers pulled several men , including Grant , off the train when it arrived at Fruitvale .
Officers were responding to a report of an armed man near the Fruitvale BART station . Police tried Tasering the man twice , but were unable to subdue him . The man turned on them with a knife , and police opened fire . The shooting is under investigation .