Qld teen attacks man, 60 and two cops

A teen has been charged after allegedly assaulting a 60-year-old man he was trying to rob and two police officers in north Queensland.

The 17-year-old attacked the man on a Townsville loading dock early on Monday when he refused to hand over money, police say.

He is accused of then assaulting the two officers who arrested him, leaving one in hospital with a serious knee injury.

He's been charged with violent robbery and two counts of serious assault of police.

He will appear in Townsville Magistrates Court on Monday.