The mood was sombre on Friday (May 25) as people in Manchester laid flowers at St. Ann’s Square in tribute to the victims of the bomb attack which killed at least 22 people.

St. Ann’s Square in Manchester has become the focal point for tributes to the victims. Flowers, teddies and balloons were laid at the monument of the square to remember those who died in the blast.

Armed police were highly visible on the streets of Manchester on Friday after the government had triggered Operation Temperer, a security measure allowing military personnel to be deployed at key sites.

Salman Abedi, who was born in Manchester in 1994 to Libyan parents, blew himself up on Monday (May 22) night at the Manchester Arena indoor venue at the end of a concert by U.S. pop singer Ariana Grande attended by thousands of children and teenagers.