A dramatic explosion rocked Manchester Arena during an Ariana Grande concert Monday night, and the British police reveal that at least 19 people have been killed and and 50 others injured. Preliminary reports indicate that the possible cause for the explosion was a suicide bombing.

In a Facebook post, Greater Manchester Police wrote: “Emergency services are currently responding to reports of an explosion at Manchester Arena. There are a number of confirmed fatalities and others injured. Please AVOID the area as first responders work tirelessly at the scene. Details of a casualty bureau will follow as soon as available.”

The concert was attended by more than 20,000 people, most of them teenagers.

According to witness accounts, there was a really big explosion and smoke invaded the main corridor outside the arena seating and stage area. There was a lot of confusion and everybody started screaming and running.

Police tweeted that emergency serv...