At least three were killed and five people were injured after being shot down by a short suspected man on Monday (Local Time) at a Michigan State University campus.
Five victims were taken to hospitals with varying levels of injuries. One of the victims succumbed to the injuries at the hospital and was pronounced dead.
"I once again urge both chambers of Congress to act quickly and deliver this Assault Weapons Ban to my desk, and take action to keep American communities, schools, workplaces, and homes safe," US President Joe Biden said after two mass shootings in California.
Three people were critically injured after a shooting at a school in Des Moines city in the US state of Iowa on Monday, CNN reported citing the Des Moines Police Department.
Los Angeles County Sheriff Robert Luna said investigators have confirmed that the man identified as Huu Can Tran, 72, was found dead inside a white cargo van.
The Los Angeles Times reported that a man had opened fire at a local dance studio around 10 pm on Saturday. The incident reportedly took place near the downtown area where the Monterey Park Lunar New Year Festival is held each year.
The shooting occurred at Monterey Park around 10 pm local time near the site of a Chinese Lunar New Year celebration, the US newspaper reported citing law enforcement sources and witnesses.