Johannesburg - No arrests have been made following the murder of an elderly couple in Morningside, Johannesburg police said on Monday.

“No arrests have been made at this stage,” said Captain Kim Cloete. The couple's bodies were found by their son on Friday afternoon, she said.

“Police received the call after 3pm on Friday afternoon. The motive and cause of death is still under investigation.”

Beeld newspaper reported that a bakkie and electronic equipment had been taken from the home, which was locked before the attackers left.

The son, who lives in Pretoria, became suspicious after his parents missed a lunch at the Johannesburg Country Club.

He drove to their home to see what was happening and discovered their bodies, according to Beeld.