Authorities have identified the suspected Manchester suicide bomber as Salman Abedi, reports say.

The Press Association reported the name on Tuesday afternoon, after it was initially published by American news agencies.

It comes after 22 people were killed and 59 injured in a terrorist attack at an Ariana Grande concert at Manchester Arena on Monday night.

MORE: 22 dead and 59 injured in terrorist bombing at Ariana Grande concert at Manchester ArenaThe suicide bomber was killed in the blast, and a 23-year-old man was arrested in connection with the attack in south Manchester on Tuesday.

The injured are being treated at hospitals across Greater Manchester, and a hotline has been set up for those with concerns over loved ones who remain unaccounted for.

On Tuesday, the first victim was named as college student Georgina Callander, while eight-year-old schoolgirl Saffie Roussos was also killed.

It is understood that prime minister Theresa May, who arrived in Manchester early on Tuesday, made a private visit to Manchester Children's Hospital.

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