Zimbabwean... (Associated Press) 
 
 HARARE, Zimbabwe (AP) — The Latest on Zimbabwe's political turmoil (all times local): 
 
 6 p.m. 
 
 Zimbabwe's President Robert Mugabe says he is resigning immediately and voluntarily in order to have a "smooth transfer of power" after 37 years in charge. The letter was read out in a cheering, dancing Parliament, which had been pursuing impeachment of the 93-year-old Mugabe, the world's oldest head of state. The ruling party is poised to begin impeachment proceedings against Mugabe on Tuesday. The Zimbabwe vice president whose firing kicked off the country's political crisis says President Robert should heed the "clarion call" and resign immediately: "The people of Zimbabwe have clearly spoken." ___ 
 
 5:15 p.m. 
 
 Zimbabwe's Parliament members are cheering as they listen to allegations against President Robert Mugabe as they enter the next stage of the impeachment process. The resignation comes at the end of a week of extraordinary events that began with the military moving in last week, angered by Mugabe's firing of his longtime deputy and the positioning of the unpopular first lady to succeed him. "We were in crisis for a long time, and this is a new day for Zimbabweans." ___ 
 
 5:55 p.m. 
 
 Zimbabwe's Parliament has erupted in cheers as the speaker announces the resignation of President Robert Mugabe. Zimbabweans celebrate Robert Mugabe's resignation after 37 years of rule, in Harare on Tuesday. Mugabe also was accused of allowing unpopular first lady Grace Mugabe to threaten to kill the recently fired Vice President Emmerson Mnangagwa and other officials. A committee of the regional bloc has recommended a full summit of all 16 members to discuss Zimbabwe, where longtime President Robert Mugabe faces impeachment after his firing of his deputy and positioning of the unpopular first lady to succeed him. The pastor who last year led the country's largest anti-government protests in a decade, Evan Mawarire, tells the crowd that "our country was a shame and we were embarrassed by it. Hide Caption 2 of 35 Photos: Political upheaval grips Zimbabwe Demonstrators protest outside the Parliament building on November 21. Hide Caption 6 of 35 Photos: Political upheaval grips Zimbabwe Lawmakers meet inside Parliament on November 21. The party's Central Committee has voted to strip Mugabe of his party leadership post amid nationwide calls for the 93-year-old leader to resign. Hide Caption 15 of 35 Photos: Political upheaval grips Zimbabwe People hold a portrait of Zimbabwe's former vice president, Emmerson Mnangagwa, during a demonstration demanding Mugabe's resignation on November 18. ___ 
 
 2:20 p.m. 
 
 Zimbabweans are rallying outside Parliament as the ruling party is poised to begin impeachment proceedings against President Robert Mugabe, who is accused of allowing his wife to "usurp" power and of being too old to rule.  Demonstrators protest outside the Zimbabwean Parliament in Harare, Tuesday, Nov. 21, 2017 calling for Parliament to impeach President Robert Mugabe who has been in power for nearly four decades. Pictured from left, in the back row, are Indian Prime Minister Rajiv Gandhi, Canadian Prime Minister Brian Mulroney, Commonwealth Secretary-General S.S. Ramphal, Australian Prime Minister Robert Hawke and Mugabe. Hide Caption 16 of 30 Photos: Political life and career of Robert Mugabe Mugabe speaks during the Southern Africa trade and investment summit in Windhoek, Namibia, in October 2000.
– Zimbabwe's President Robert Mugabe says he is resigning immediately and voluntarily in order to have a "smooth transfer of power" after 37 years in charge. The news came via a letter that was read out to a cheering, dancing parliament, which had been pursuing impeachment of the 93-year-old Mugabe, the world's oldest head of state, reports the AP. How big a deal is this? CNN provides context: Zimbabwe got its independence from Britain in 1980, and Mugabe has been the only ruler the people have had that entire time; he had vowed to rule until his death. USA Today reports that citizens put photos of Mugabe in the street to be run over by cars. More: Background: The resignation comes at the end of a week of extraordinary events that began with the military moving in last week, angered by Mugabe's firing of his longtime deputy and the positioning of the unpopular first lady to succeed him. Impeachment allegations against Mugabe included that he "allowed his wife to usurp constitutional power" and that he is "of advanced age" and too incapacitated to rule. Mugabe also was accused of allowing first lady Grace Mugabe to threaten to kill the recently fired Vice President Emmerson Mnangagwa and other officials.