If there is a bomb disposal unit on hand, it is likely that these explosions were not accidental. They still may not be jihad, but it’s a reasonable surmise that they were deliberate.
“Some killed in blast at Ariana Grande concert in British arena,” Reuters, May 23, 2017:
A blast on Monday night at a concert in the northern English city of Manchester where US singer Ariana Grande had been performing left an unknown number of people dead and injured, police said.
Police said they were responding to reports of an explosion and that there were a number of confirmed casualties and others injured.
“We were making our way out and when we were right by the door there was a massive explosion and everybody was screaming,” concert-goer Catherine Macfarlane told Reuters.
A bomb disposal unit arrived outside the Manchester Arena, Sky news reported.
“It was a huge explosion – you could feel it in your chest. It was chaotic. Everybody was running and screaming and just trying to get out.”…
Britain is on its second-highest alert level of “severe” meaning an attack by militants is considered highly likely.