Brisbane man, 74, attacked with hammer

A 74-year-old man is in hospital after being bashed with a hammer during an early morning attack at a block of units in inner Brisbane.

Police found the victim, who had been struck on the arm and back, when they went to the block in Spring Hill about 12.10am on Wednesday following reports a man armed with a hammer was knocking on doors.

The dog squad was called in and a hammer and clothing were found in nearby streets but the alleged attacker appears to be still at large.