Ariana Grande touches down in the US just hours after Manchester bomb attack that killed 22 of her f

Pop star Ariana Grande has touched down in the US just hours after the horrific Manchester terror attack that killed 22 of her fans and left 59 injured, it has been reported.

The 23-year-old singer, who tweeted she was "broken" following the event, was

Her mother was also seen.

Grande had just finished performing at the Manchester Arena on Monday night when a bomb went off in the venue's foyer. The death toll currently stands at 22 with 59 people injured.

It was initially reported that Grande had cancelled her European tour, which includes a scheduled concert at the O2 in London.

However, it remains unclear whether this is the case and the singer has yet to address the status of the tour herself.

The singer’s manager Scooter Braun wrote in a public statement: "We mourn the lives of children and loved ones taken by this cowardly act… We ask all of you to hold the victims, their families, and all those affected in your hearts and prayers."

At a glance | Ariana Grande

Ariana Grande is a US pop star with a young fan base. She has been in showbusiness since her teens and first appeared on Broadway in 2008. Two years later, when she was 17, she was cast in a popular Nickelodeon show, Victorious, which followed the hallway antics of Hollywood stage school students.

Grande has an enormous fan base from her Nickelodeon days and, like One Direction, a large network on social media, with over 150 million followers across Facebook, Twitter and Instagram.

On 22 May 2017, 22 people were killed and 64 injured by a suicide bomber as crowds left her concert in Manchester Arena. Home Secretary Amber Rudd described the incident as a barbaric attack.

Timeline How events unfolded at Manchester Arena

• Monday, 6pm

Doors open at Manchester Arena in the north of the city centre. US pop singer Ariana Grande is on the bill for a sell-out concert at the 21,000-capacity venue. Fans, many of them teenage girls, excitedly share selfies as they wait for the show to begin.

• 7.30pm

Show's scheduled start time. After a performance from support act BIA, an American rapper, Grande takes the stage.

• 10.30pm

Show's scheduled finish. Thousands of fans begin to file out of the arena's four exits.

A "huge bomb-like bang" is heard at the arena. Witnesses describe being knocked from their feet by an explosion and seeing dozens of injured, possibly dead, people including children lying on the floor. Others describe panic as concert-goers run for exits.

• 10.35pm

Greater Manchester Police (GMP) are called to reports of an explosion at Manchester Arena. Dozens of emergency services vehicles stream into the area.

• 10.55pm

Police urge people to stay away from the area as responders deal with a "serious incident".

• 11.46pm

Police say there have been a number of confirmed fatalities.

• Tuesday, 1.10am

Police say the explosion is being treated as a terrorist incident.

• 1.35am

A controlled explosion is carried out on a suspicious item in the Cathedral Gardens area near Manchester Arena. It is later confirmed to be abandoned clothing.

• 2.15am

Prime Minister Theresa May says her thoughts are with the victims and families of those affected in "what is being treated by the police as an appalling terrorist attack".

• 7am

Greater Manchester police confirm that a total of 22 victims have been confirmed dead in addition to the man responsible for the attack.