Two people who were at the Walnut Street Bridge late Saturday night said multiple shots were fired on the bridge, then there was a stampede.

Jerri Weary, police spokesperson, said, "Multiple calls of 'shots fired' came out, but nothing was found on the bridge."

She said she had not yet been able to speak with third-shift supervisors about the incident.

David Champion said he and a friend were at Hill City Pizza on Frazier Avenue until it closed at 11 p.m. He said they then decided to take a walk on the popular walking bridge.

He said when they got to the bridge on the north side "there was a weird vibe. There was something in the air."

But he said they walked on and got to about the middle of the bridge. He said, "All of a sudden people started running. Then they stopped running."

Mr. Champion said after a pause he heard three shots fired, "and everyone started running again."

He said during that stampede he could hear three more gunshots, then a fourth. He said, "This was no doubt gunfire - a handgun. It was not a string of firecrackers."

He said he and his friend ran as fast as they could for Frazier Avenue.

He said some people who had run along with them started to walk back to see what had happened. He said he told his friend, "It's time to go home" and they left.

Amy Pyle said she and her husband, Colin, had a rare night out, going first to the Urban Stacks and then to Rembrandts for coffee and dessert, finishing around 11 p.m.

She said they then decided to go for a walk, going first to the ledge overlooking the river. There was a wedding reception underway at Bluff View. Then they decided to head toward the Walnut Street Bridge.

She said they passed the Hunter Museum, where some type of reception was being held.

They walked across the glass bridge and down in front of the Walnut Street Bridge on the south end.

She said they encountered a large number of young black youths who "were rowdy and out of control. It looked wild." She estimated there were more than 100 in the group.

Ms. Pyle said they quickly went back up the steps and across the glass bridge. She said as they were opening the door to their car parked by the Houston Antique Museum they began to hear gunshots. She estimated hearing from 12-20 shots.

She said they could see some people running up from where the shots rang out. She heard a number of police sirens.

Ms. Pyle said they drove down Third Street and, curious to find out what had happened, drove toward the end of Walnut Street. She said as they got to Second Street a woman warned them not to go further, saying there had been a shooting.

Ms. Pyle said, "This was just nuts. This is getting scarier than Atlanta. I'm glad I didn't take my two young kids down there."