7 injured in shooting in US Washington state

SAN FRANCISCO -- Seven people were shot and wounded Wednesday evening at Harry Todd Park, a suburb of Tacoma, US state of Washington, the police said Thursday.

Three of the victims remain in critical condition, the police said.

At the time of the shooting, more than 100 people were in the park.

Investigators have not determined the number of shooters involved or whether the victims were deliberately targeted. No arrests have been made, according to the police.