About Michelle Ewing and Kelli Dugan, Cox Media Group National Content Desk

Six people died and at least 30 others were wounded after a gunman opened fire on a Fourth of July parade from a rooftop in a Chicago suburb Monday, sending hundreds of revelers scrambling for safety, police said.

The worldwide number of COVID-19 cases confirmed since the pandemic’s onset topped 500 million Tuesday, more than two years after the first coronavirus infections were reported in late 2019.