Here's what we know about last night's terror attack in Manchester, England:
What appears to have been a device detonated by suicide bomber exploded at 10:30 p.m. local time after an Ariana Grande concert in the 21,000-seat Manchester Arena.
At least 22 people have died as a result of the blast. The youngest known victim was eight years old.
ISIS has claimed responsibility for the attack, which is believed to have been perpetrated on site by a 22-year-old man named Salman Abedi who was born in Manchester to Libyan parents.
A 23-year-old man who is believed to have a connection to the incident was arrested in Manchester on Tuesday morning.
Donald Trump, speaking in the West Bank, called the perpetrators of the attack "evil losers."