Kelly Osbourne and Ian Somerhalder have expressed their dismay following a shooting at LAX airport in Los Angeles today (01.11.13).

One person was reportedly killed and several more were injured after a gunman entered Terminal 3 of the Los Angeles International Airport - which is frequented daily by celebrities travelling in and out of Hollywood - with an assault rifle, and several stars have shared their thoughts on the tragedy.

'Fashion Police' co-host Kelly, 29, wrote on Twitter: ''WTF!!! I really hope everyone at LAX is ok and the #LAPD get that shooter fast! (sic)''

'The Vampire Diaries' hunk Ian, 34, added: ''CAN WE STOP SHOOTING EACH OTHER!!!!!!!?????DAMMIT! 3 DAYS AGO SHOOTING IN MY NEIGHBORHOOD NOW LAX?WTF???!!! (sic)''

The shocking incident took place at around 9.20am local time and has resulted in all flights out of the airport being grounded, leaving passengers frustrated.

'The X Factor' USA host Mario Lopez tweeted: ''My brother in law is flying out of LAX today. I should say WAS flying out before this idiot... I almost had to travel myself. Got lucky (sic)''

Other stars who expressed their support for the victims include 'Pretty Little Liars' actress Lucy Hale and Billy Ray Cyrus.

Miley Cyrus' famous father wrote: ''Thoughts and prayers for all the victims and those affected by the shooting at LAX today. (sic)''