President Mnangagwa was addressing supporters at a campaign rally and has been safely evacuated.
Women can drive from midnight local time (21:00 GMT) but there has been a crackdown on activists.
The BBC speaks to a detained migrant who has not spoken to his daughter since they were separated.
"Angel Families" go to the White House amid outrage over the separation of migrant families.
Around 30 train cars came off the tracks, which are thought to have been weakened by recent flooding.
Thousands of people march in London on the second anniversary of the UK's vote to leave the EU.
Drummer's life was marked by tragedy when he saw his brother and bandmate killed on stage.
Those killed include IS head Abu Bakr al-Baghdadi's personal courier, Iraq's military says.
Prime minister Abiy Ahmed was whisked away from the event attended by thousands in Addis Ababa.
Flesh-footed shearwater chicks are starving to death because of plastic, a BBC documentary reveals.
A leaked memo reveals plans for "austere" camps on airbases for thousands of migrants.
Jonathan Friedland used the term on two occasions, saying he "fell short" of the firm's standards.
Donald Trump renews sanctions against North Korea, just days after saying it posed no nuclear risk.
Pyongyang's propaganda changes from blasting the US as enemy to a much more conciliatory note.
The latest global news, sport, weather and documentaries
Stories from around the world
Email us at firstname.lastname@example.org
Send an SMS or MMS to +44 7624 800100
Follow Have Your Say on Twitter
Why you can trust BBC News