10 PM ET: State Department warning, veterans bill passes, Alex Jones trial & more

Tonight, the US State Department is warning Americans about potential retaliatory attacks following a drone strike mission that killed al Qaeda leader Ayman al-Zawahiri. Plus, the Senate passed a bill aimed at expanding health care benefits to veterans exposed to toxic burn pits during their military service. Then, we’ll take a look at some key primaries in five states. The US has sanctioned Russian President Vladimir Putin’s reputed girlfriend. Lastly, right-wing conspiracy theorist, Alex Jones, testified in a defamation trial over lies he pushed about the 2012 Sandy Hook Elementary school shooting.To learn more about how CNN protects listener privacy, visit cnn.com/privacy