An active shooter warning was issued at Villanova University’s Pennsylvania campus on the afternoon of Thursday, Aug. 21. The school told students to stay clear of the Law School's Scarpa Hall.

The FDA advises consumers not to eat the recalled products. Traces of Cesium-137 are widespread in the environment including food, soil and air. The primary health risk is through long-term, repeated low-dose exposure, which can increase the risk of cancer.

Akron authorities are investigating two shootings they believe could be connected after a man was killed in the 900 block of Dayton Street, and another man was hospitalized for a gunshot wound.

One physicist says his design to use nuclear waste as fuel for nuclear fusion could help the U.S. be a leader in the fusion economy.

The University of Tennessee at Chattanooga went into lockdown amid reports of an active shooter situation on campus.

Ukraine's president told reporters in Kyiv on Wednesday that he wanted to "have an understanding" of the protections his allies are willing to offer within seven to 10 days.

Measles is a highly contagious illness spread when an infected person breathes, coughs, or sneezes. The virus remains infectious in the air and on surfaces for up to two hours after the infected person leaves the area, the health department said. Individuals may also call the Department of Health’s toll-free hotline at 877-PA-HEALTH.

Pittsburgh Police are investigating several reports of sexual assaults on the city's North Side that investigators say could be connected with a potential repeat offender. Police issued an alert Wednesday night to inform the community about the series of reported assaults.