In Pennsylvania, US, five officers were shot, of whom three died while two are critically injured. The incident occurred while following up on a "domestic-related" investigation, BBC said, citing authorities.
Pennsylvania State Police Commissioner Colonel Christopher Paris said the gunman was fatally shot by the police, as per the BBC.
The incident occurred shortly after 2:00 p.m. local time (6:00 p.m. GMT), prompting an emergency response. Visuals from the scene showed a police officer being airlifted by a medical helicopter, the BBC further added.
As a precaution, a nearby school district in Spring Grove, Pennsylvania, a town with a population of around 2,500, briefly went into shelter-in-place mode. Authorities later confirmed, as per BBC, that the school itself was not directly impacted by the shooting.