Police in Alabama found a suspected drug dealer who was hiding in tall grass near his home after the man's dog, tail wagging enthusiastically, led officers to him, police said on Thursday.
A hatchet-wielding attacker charged a group of New York City police officers posing for a photograph on Thursday, wounded two, one critically, before the assailant was shot dead, police said.
More than 1,000 protesters shouted slogans at riot police in St Louis in the early hours of Monday near the climax of four days of street rallies and sit-ins over the police shootings of two black 18-year-olds.
Hundreds of protesters gathered outside the Ferguson, Missouri police station late Friday, chanting against police violence and pushing forward a weekend of demonstrations after eight people were arrested in chaotic protests the previous night.
Missouri authorities are drawing up contingency plans and seeking intelligence from U.S. police departments on out-of-state agitators, fearing that fresh riots could erupt if a grand jury does not indict a white officer for killing a black teen.
Riot police advanced on Hong Kong democracy protesters in the early hours of Monday, firing volleys of tear gas after launching a baton-charge in the worst unrest there since China took back control of the former British colony two decades ago.
Police pushed ahead on Sunday with a massive manhunt in three states for a gunman who ambushed two Pennsylvania state troopers two days ago, shooting to death one of them and injuring the other.
Police have arrested a woman after the bodies of three infants were found amid the squalor and vermin of a condemned southern Massachusetts home from which state officials previously rescued four children, officials and media said on Thursday.