A man in his 50s is dead and two others critically injured following a head on collision on Highway 17 near Pembroke.

Emergency crews were called out today around two in the afternoon where the man was pronounced dead.

Renfrew County paramedics say a 32-year-old man and a 19-year-old woman were rushed to hospital with life threatening injuries.

Highway 17 is closed in both directions at Greenwood Road as police investigate.