Multiple law enforcement officers have been shot in Charlotte, North Carolina, local police said on Monday, in what they described as an "active" scene.
The shooting unfolded following a parade and rally near the city's landmark Union Station, where police said upward of a million fans had gathered as the Kansas City Chiefs were celebrating their Super Bowl triumph over the San Francisco 49ers.
An unknown man has opened fire during a Halloween party in the North Lawndale district of the US city of Chicago, Illinois, leaving at least 15 people injured, the local police department said, adding that the suspect had been detained.
An arrest warrant has been issued for the Main mass shooting suspect, Robert Card, charging him with eight counts of murder, one for each identified victim, Operations Major for the Maine State Police Colonel William Ross said on Thursday.
US President Joe Biden termed gun violence as the "ultimate superstorm" and announced the launch of a first-ever federal office on resolving issues related to shootings and support families affected by it.