Robert Mugabe celebrated his 90th birthday at a party-come-political rally in a football stadium, held a few days late due to a trip to Singapore for what aides said was a cataract operation.
Mugabe appeared to show no signs of ill health after returning from Singapore and his aides have denied speculation he has been treated for prostate cancer.
Zimbabwe's sole ruler since the former Rhodesia gained independence from Britain in 1980, Mugabe is under Western sanctions. He denies human rights abuses and election fraud and blames Britain for smearing his name.
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The signs were encouraging to commuters going about the transport network the day after a terror attack in Westminster.
Faith leaders from across London say religious communities will "stand together" in the wake of the Westminster terror attack.
Pc Keith Palmer was among the three people killed yesterday in the Westminster terror attack.