Man's skull fractured after hammer attack

A man was struck on the head with a hammer in Warrawong on Sunday.

Police said the man was able to get up and run away after the attack on Kully Way in Bundaleer Estate at 7.30pm.

He called for an ambulance and was taken to Wollongong Hospital with a fractured skull.

Police are urging any witnesses or anyone with information to come forward.