Nelson Mandela was "in good shape and spirits" during a visit by President Jacob Zuma and other South African party leaders, the ruling African National Congress has said.
Footage broadcast on South Africa's SABC TV shows Mandela during the visit at his Johannesburg home:
This is the first time Mandela has been seen publicly since he was discharged from hospital earlier this month.
More top news
The Prime Minister has praised the former soldier's "huge professionalism" in trying to save the life of Pc Keith Palmer.
The man who carried out the Westminster attack is thought to be British born and was once investigated by MI5, the Prime Minister has said.
Jason Day, who lost his father to stomach cancer at the age of 12, broke down in tears as he explained his shock exit during the WGC event.