A survey has found hundreds of seals are living in the Thames. It is the first survey of its kind that has been conducted. It is thought the seals' presence is a bonus to London's marine life.
Funmi Olutoye reports:
More top news
A police officer who spent six days crawling the London Marathon in a gorilla costume has finally completed the 26-mile route.
A man has been arrested on suspicion of murdering a 48-year-old man who was stabbed to death on a bus in central London.
Transport for London has made the badges and accompanying cards permanently available after a successful trial in autumn last year.