On April 12, a man shot 10 people on a packed subway train in Brooklyn, New York. The man opened fire on horrified commuters. He donned a mask before setting off two smoke bombs, reported AFP. A massive manhunt was underway in New York for the accused. Several videos of the incident have gone viral on social media. US President Joe Biden tweeted, “We are grateful for the first responders and civilians who jumped into action.” Watch the video to know more.