A Houston police officer was shot and killed Monday afternoon after entering the parking lot of a hotel, according to reports. 

Houston Police Chief Art Acevedo identified the fallen officer as Sgt. Sean Rios, 47, a 25-year veteran of the department. Acevedo said he leaves behind four children who are between the ages of 9 and 17 years old. 

HPD conducted an escort for Sgt. Rios that began at Little York Rd at North Interstate Highway 45 under the freeway and then inbound on the service road. 

A reporter Houston’s Fox 26 cited sources who said the off-duty officer was shot around 1:30 p.m. in his vehicle after pulling into the parking lot of the hotel 7600 block of North Interstate Highway 45. The officer made it to the lobby where he died, he said.

Police reportedly closed off the intersection of Interstate 45 and Gulf Freeway. Officers told motorits traveling on I-45 North to “expect delays and use alternative routes.”

BALTIMORE POLICE SHOT AT WHILE SITTING IN UNMARKED SURVEILLANCE VEHICLE; SUSPECT FATALLY WOUNDED

Houston Police Officer’s Union President Joe Gamaldi asked that the sergeant “who was shot and killed this afternoon,” along with their family and all Houston Police Officers be kept in “thoughts and prayers.”

“We will not stop until we find the monster/monsters responsible,” Gamaldi tweeted.”

CLICK HERE TO GET THE FOX NEWS APP

No further information was released. It wasn't immediately clear if the suspect was in custody. 

HPD could not be reached for comment.