Agents with the Drug Enforcement Agency are at a home in Plano after conducting a raid at a home on the 3000-block of Rockbrook Drive.
According to officials, a drug-related state search warrant was served.
At least one resident told NBC 5 that an explosion was heard shortly before the raid. The explosion was likely a flashbang used at the start of the raid.
One person is being questioned by agents.
The DEA is not commenting on the raid due to the ongoing investigation.