A teenager is feared missing in the Thames after taking part in a canoeing race.

Police, lifeboat staff and members of the public are currently searching the area from the Ham House starting point of the Richmond Hasler Marathon.

Racing been suspended after one competitor did not finish the race, although other pleasure boats are still using the Thames.

Police said they were called at 12.25pm today after it appeared someone in their late teens may have fallen out of their canoe.

Did you see what happened? Email martingeorge@london.newsquest.co.uk