Two people were shot at Dailey's Lounge in the 14200 block of Lorain Avenue just after 2 a.m. Thursday.
Cleveland police said they responded for shots fired around 2:19 a.m. but found no victims when they arrived.
The two victims showed up at a nearby hospital a few minutes later with what police said were believed to be non life-threatening gunshot wounds.
Police tape surrounded the building and police were seen going inside where patrons were being interviewed around 3 a.m. Thursday.
No suspect information was released.
This is the third double shooting on the west side of Cleveland since 6 p.m. Wednesday.