Zimbabwe's President Emmerson Mnangagwa arrives to vote in the general election at Sherwood Park Primary School in Kwekwe, Zimbabwe July 30, 2018. REUTERS/Philimon Bulawayo/File Photo

HARARE (Reuters) - Zimbabwe’s President Emmerson Mnangagwa said on Thursday he had been talking to opposition leader Nelson Chamisa to try to defuse tension over this week’s presidential election after violent clashes on the streets of Harare.

Writing on Twitter, Mnangagwa also called for an independent investigation into the violence, in which three people were killed after soldiers were deployed to the streets of the capital.