President Robert Mugabe house arrest

Zimbabwe's Mugabe 'under house arrest' after army takeover

Mr Mugabe told Mr Zuma in a phone call that he was fine, the South African leader's office said.

Troops are patrolling the capital, Harare, after they seized state TV and said they were targeting "criminals".

The move may be a bid to replace Mr Mugabe with his sacked deputy, Emmerson Mnangagwa, BBC correspondents say.