A student armed with a crossbow kills a teacher at a school in Barcelona, Spain, local media report.

The Post Office failed to discover the cause of large cash shortfalls at sub-post offices before starting civil and criminal proceedings against sub-postmasters, a report finds.

An airline pilot due to fly more than 260 passengers from London to Hong Kong is arrested for allegedly possessing knives.

A former senior police officer denies telling officers to put the blame for Hillsborough on "drunken, ticketless Liverpool supporters".

A man is injured after a building in central London collapses.

Poland summons the US ambassador and demands an apology over comments on the Holocaust by FBI director James Comey.

The number of schoolgirls at risk of emotional problems has risen sharply in the last five years, a study suggests.

A paedophile hunter is arrested on suspicion of the assault and blackmail of two men alleged to have tried to meet up with teenage girls.