All you need to know about Manchester Arena, venue of the Ariana Grande concert where a blast killed 22 people

An explosion rocked the UK on Monday night leaving at least 22 people dead and over 50 people injured. The explosion happened at the end of a concert by Ariana Grande which held at the Manchester Arena, England. Since it's opening in July 1995, the Manchester Arena has welcomed acts like U2, Lady Gaga, and the Rolling Stones for concerts. It boasts of over one million visitors per