"I’ve left instructions if they do it, they get obliterated, there won’t be anything left.” Police said at least 10 people were killed at a school on Tuesday, in what has been described as the worst mass shooting in Sweden’s history.

D.C. police said officers arrested a man for his involvement in two separate shootings in Southeast. According to the Metropolitan Police Department (MPD), on Jan. 25 at around 6:20 p.m., officers responded to the 5400 block of B St.