The victim, who has not been named, is in a conscious state and being treated for his injuries at Prince of Wales Hospital.

Sources said the attack occurred at around noon when the man and his wife returns to Sha Ling Tsuen, with the man being jumped by a teenager after he got off the vehicle.

The teenager was said to have fled the scene after the attack.

Police have classified the suspected attack as a wounding case and were now investigating. There has been no arrest so far.