Five Houston police officers were shot on Monday as they attempted to serve a warrant, according to officials and local media.
Their conditions were not immediately disclosed. The site of the shooting was still an active crime scene, Houston police said in a message on Twitter, warning people to avoid the area.
A suspect in the shooting was down, Houston Mayor Sylvester Turner said in a message on Twitter.
The policemen were shot as officers from the Houston narcotics division served a warrant, the Houston Chronicle reported, citing an unnamed law enforcement source.
One of the officers was airlifted to a hospital, Houston Police Officers' Union president Joe Gamaldi said in a separate tweet.
Four officers who were shot were also hospitalized, Houston police said in a message on Twitter.