Flights in and out of airports in Dubai, Tel Aviv, Doha and other international hubs in the region have been suspended.
The UK Foreign Office has warned British citizens against all but essential travel to Bahrain, Kuwait, Qatar and the United Arab Emirates (UAE). Those already there have been advised to shelter.
“We have no idea what’s happening, and we’re just worried,” Angell-Beans added.
“I feel really on edge. I think the silence and not knowing anything, it’s really making me worry about what’s going to come next”
Brommell is due to return to the UK on Thursday.
He said: “We’re just going to wait and see what happens, and [we’ll] probably be sleeping in the underground car park again tonight.
“I’ll be pleased when I get back home.”