She went missing after the blast at the Ariana Grande show.
U2 Join MTV Awards Line-Up
U2 are to perform at the MTV Europe Music Awards in Glasgow this weekend.
The band are the latest to be added to the line-up at the awards show, which will be hosted by US rapper Nicki Minaj in the Hydro arena and will also include performances by Ed Sheeran, Calvin Harris and Ariana Grande among others.
It will be the fourth time the Irish band have played at the EMAs having last done so in Berlin in 2009.
U2 reached the top 10 of the album charts for the 16th time last month with Songs Of Innocence. The album was originally released for free via iTunes in September.
The awards are being held in Glasgow for the first time, but they have previously been staged in Edinburgh.
Katy Perry heads the nominations for Sunday's ceremony as she competes for seven prizes, ahead of Grande, who is in the running for six.
Pharrell Williams is up for five trophies, including best song and best video for his global hit Happy.
With music fans attending from across Europe and a potential worldwide audience of 500 million people, tourism leaders believe the event could be worth around £10 million to Glasgow.
Family members say Laura Macintyre and Eilidh MacLeod haven't been heard from since the explosion.
The families of two girls from the Western Isles missing after attending the concert in Manchester targeted in a terror attack have issued appeals on social media.
Crews were called to the former Royal Victoria Hospital site this afternoon.
Most Viewed Pictures On Heart
Recently Played Tracks
To listen live, choose your preferred station:
Now playing: The best feel good music
Deposit £10 to get a £40 Welcome Bonus - That's £50 to play bingo, slots and more!*
Over 50 tracks to make you feel-good. New album out now...
Find your local four day weather report here.
Make Heart the soundtrack to your day and you could be a winner with great prizes up for grabs throughout the day.
Find out more about some of the companies advertising on Heart Scotland- East.