LAHORE: Unidentified gunmen shot dead four people in the US state of Washington.
The bullet-riddled bodies of three people were found near a house in the US state of Washington, while one person was taken to hospital with serious injuries, according to the international news agency.
The injured man also succumbed to his injuries while undergoing treatment at the hospital. The dead included two women and two men whose identities were not released. It was not immediately clear what the relationship was.
Eyewitnesses say the attacker was the only person who escaped after the operation. Police have launched a search operation to find the accused.
In a Twitter message, police instructed citizens to exercise caution when moving around the scene.