None.

The plot of the film surrounds a terrorist attack. There are news reports shown regarding the attack and many references to the violent act throughout. No actual violence on-screen in the film.

A few brief instances of injured victims of the attack with blood-stained faces and a brief glimpse of the top of a corpse's head from afar.

None.

Brief instances of smoking cigarettes.

This film can be emotionally intense due to the theme of a violent attack on London (resulting in casualties) and the protagonists' search for their loved ones.

A few instances of people checking hospitals for injured or deceased loved ones. A wall is covered with missing persons posters.