Capt. Lisa Camacho said the shootings occurred about 11:30 p.m. Monday in an area of the popular Bricktown entertainment district east of downtown. Capt. Dexter Nelson said the shooting happened between Joe Carter Avenue and Mickey Mantle Drive on Reno Avenue.

Nelson said that as people were walking down the street, there were some skirmishes -- some pushing and shoving. Witnesses said that at least one person drew a weapon and opened fire on the crowd, police said.

One of those hit by gunfire is in critical condition, Nelson said. The others have non-life-threatening injuries. 

Police said that one of the victims, a pregnant woman, also suffered blunt force trauma. Nelson said that police believe she was either kicked or punched after she went down.

Camacho said two people are in custody in connection with the shootings. However, police could not confirm whether everybody culpable for the shootings had been taken into custody.

No names were immediately released.

Nelson said that in addition to the Oklahoma City Police officers who routinely work the Bricktown entertainment district, the police department had other officers from other divisions assigned to the area Monday night because of the crowds attracted by the NBA Playoffs game happening at the Chesapeake Energy Arena.

"So, whenever you get about 8,000 people outside of a venue, we are going to be outnumbered," Nelson said. "You can't have enough people down here for that."

Police said they do not know whether the shootings were a reaction to the game or whether it was isolated and random.