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Four Houston police officers have been shot and another injured while serving a search warrant at a home where it's believed heroin was being sold.
Police chief Art Acevedo confirmed two suspected drug dealers were killed at the scene in southeast Houston during a shootout between the gunmen and officers which began about 5pm Monday.
Two of the officers underwent surgery and remain in a critical condition after being struck in the neck, while the other three are stable.
The injured officers, who range in age from 33 to 54, have not been named as they were working undercover.