Man arrested at Buckingham Palace detained under Mental Health Act

The 59-year-old was arrested on suspicion of possessing a knife and ammunition on Tuesday

A man arrested outside Buckingham Palace after throwing suspected shotgun cartridges into the grounds has been detained under the Mental Health Act.

The 59-year-old was arrested on suspicion of possessing a knife and ammunition on Tuesday after he asked to speak to a soldier before warning police to handle his rucksack carefully.