What is a perforated ulcer, how do you get it and how does it kill you?
A stomach ulcer is a sore on the inner lining of the stomach. In extreme cases, the lining of the stomach can split open, and this is known as perforation. It can mean the stomach bacteria infecting the lining of the abdomen, a potentially fatal condition called peritonitis.
Does the attack when a man drove a bus into worshippers at Finsbury Park mosque count as terrorism?