Zimbabwean opposition leaders ally to challenge Mugabe
* Alliance to challenge Mugabe at next year's elections
* Mugabe to stand in next year's vote aged 94
* Govt struggles to pay public workers as economy dips
* Graphic of Zimbabwean GDP per capita bit.ly/2o4fwjc
By Nelson Banya
HARARE, April 19 (Reuters) - Two of Zimbabwean President Robert Mugabe's chief rivals said on Wednesday they were allying to deny the 93-year-old another term in office.
Morgan Tsvangirai, 65, who was Zimbabwe's prime minister in an uneasy coalition government with Mugabe from 2009 until 2013, said he and Joice Mujuru, who was Mugabe's vice president for a decade until she was fired in 2014, would seek to form a coalition government to bring political change.
"This is just the beginning of the building blocks towards establishing a broad alliance to confront ZANU PF between now and the next election in 2018," Tsvangirai said, referring to the party led by Africa's oldest leader.
Mugabe, one of the last of the generation of African nationalists that sough the overthrow of white colonialists, has run Zimbabwe since 1980. He was first prime minister then, in 1987, became president. Continued...