Here’s what we’ve learned whilst you were stuck in Bank Holiday traffic jams: In the weekend crime round-up, a promising young actor was killed in a street brawl in Sidcup whilst four other youths were stabbed…. And two teenagers have been shot and seriously wounded in separate incidents in North London. Police are ‘puzzled’ over the disappearance of a man accused of stealing some rare horticultural books. Tube cleaners are threatening to go on......