The British armed forces have joined police on the streets of London and at other iconic locations, after British Prime Minister Theresa May changed the threat level to critical following the suicide bombing attack at the Ariana Grande concert in Manchester.
Greater Manchester police have confirmed that they've arrested four and are investigating a network, with concerns there might be another attack.
With uniformed soldiers now on the streets, many Brits welcomed the efforts to keep things safe.
IN: "Children have...
OUT: ...it's a deterrent."
DUR: 22
***