North American Headlines at 11:16 p.m. EDT

With police near, suspected Austin bomber blows himself up

Vigil for Florida bridge-collapse victims draws tears, gasps

Police: Maryland school shooter apparently was lovesick teen

Fed raises key rate and foresees 2 more hikes this year

White House increasingly facing questions about Trump's past

Court as class: Judge gets climate change lesson in oil suit

Saccone concedes Pennsylvania US House race to Lamb

The Latest: Zuckerberg says it's time to regulate tech firms

Northeast gets clobbered with fourth snowstorm in 3 weeks

Troopers to patrol at Florida school where massacre happened