• signs of a heart attack (chest pain, pressure, heaviness, tightness or squeezing across the chest)

• signs of a stroke (face dropping on one side, cannot hold both arms up, difficulty speaking)

• sudden confusion or delirium (unsure of own name or age)

• suicide attempt (by taking something or self-harming)

• severe difficulty breathing (not being able to get words out, choking or gasping)

• a serious accident, or severe injuries burns or scalds

• heavy bleeding (spraying, pouring or enough to make a puddle)

• severe injuries (after a serious accident or assault)

• a seizure or fit (shaking, jerking, or unconscious & can’t be woken up)

• sudden, rapid swelling (of the lips, mouth, throat or tongue)

British Sign Language (BSL) speakers can make a BSL video call to 999.

Deaf, hard of hearing or speech-impaired people can use 18000 to contact 999 using text relay or a textphone.