<p>A loud bang was heard in Manchester Arena on Mary 22, sparking panic and forcing an evacuation. Police confirmed</a> an explosion at the venue and reported at least 19 deaths and around 50 injuries.</p><p>American pop singer Ariana Grande had just finished performing in the arena at the time. She and her entourage were safe, according to the main support act, Bia.</p><p>The bang can be heard in this footage, which also shows concertgoers beginning to panic.</p><br />
