It is implied woman has had a one night stand with the man next to her when she wakes up.

A man is seen topless.

Some mild references.

A teenage male is chased and cornered in a corridor, he is beaten severely and dragged away by 2 masked men, a woman who tries to intervene is also beaten.

A man is shot through the head mid conversation, blood sprays across the face of the woman he is talking to. This starts a lengthy sequence of a sniper randomly shooting at various characters. About 5 people are killed on screen as well as a few more implied deaths. Bullet impacts/wounds/blood spray are visible.

A woman crawls out of her apartment after being shot in the stomach and the hand, she dies soon afterwards.

A man and a woman are seperately killed by shotgun booby traps.

Two men are beaten and then are forced in front of a window for the sniper to shoot. Impact shown but little blood.

A woman deliberately walks into the snipers view to commit suicide. She is blown off her feet and shown dying on the floor with a gunshot visible in a large pool of blood.

A woman and her teenage son are shot multiple times while trying to escape the building. Entry/exit wounds shown.

A man falls while trying to descend the tower block, he is seen falling and screaming but the impact isn't shown.

A man breaks his leg falling from a ladder, bone is briefly seen through his trouser leg, some blood.

Twp men come under heavy fire while attempting to enter the building.

A man is shot with a nailgun in the chest, then in the mouth.

A man is beaten by two men & a woman.

A man is tasered.

Two or three uses of 'cunt'.

Some use of 'fuck'.

Some use of 'shit'.

One use of 'bastard'.

One use of 'wank'.

Some characters drink whisky.

It is said that one character is an alcoholic & having withdrawal.

It is mentioned that a character is a drug dealer.

Some mild references.

Some intense scenes but nothing scary.

The scene where the teenage boy is chased down, beaten and then dragged of screen may be found upsetting.