The Arkansas State University campus was placed on lockdown on Sunday afternoon, after reports of one or more armed men seen on the campus.

A school shooting in the western Canadian province of Saskatchewan on Friday left four dead and others wounded, according to the the Royal Canadian Mounted Police.

A man carrying two handguns and what appeared to be a machete was shot and killed inside a Walmart store in Stroudsburg, Pennsylvania, late Saturday night.

A suspected terrorist’s alleged plot to open fire on Paris churches this past Sunday was thwarted after the supposed gunman accidentally shot himself.

Last Wednesday, the day after three Muslim college students were killed in Chapel Hill, N.C, a student at the University of Texas-Arlington told police a man followed her to campus in his truck and pointed a gun at her before driving away. On Facebook, she worried he may have singled her out because she's Muslim.

An Austin man who allegedly fired 100 rounds into three downtown buildings was fatally shot when he opened fire outside police headquarters, an Austin PD spokesperson told reporters.

Multiple people were left wounded after a shooting this afternoon at Seattle Pacific University. The Seattle Police Department warned that they are dealing with conflicting reports, but confirmed at least three people were injured. Update: At least one victim was pronounced dead at a Seattle hospital.

A man who killed six people and took another two hostage in a South Florida apartment complex was shot and killed by a SWAT team early this morning.