Authorities in Florida on Tuesday released a handful of 911 calls about the shooting inside Pulse nightclub in Orlando, making public for the first time recordings of what police were told about the attack while it was happening.

In the calls, a series of increasingly distraught callers can be heard alerting police to the shooting and warning of injured friends and relatives who were trapped at the venue.

Callers were asking police about when they were going to go inside the club, warning that more people were going to die if they didn’t get in there and worrying about those trapped inside.

“He’s over there,” one caller said about her husband. “He said he cannot get out.”