The Thalassa is 1 of 14 tall ships which are setting sail for London to join in the Olympic celebrations. The ships will leave in convoy from Tilbury in Kent at 10am. They will cruise up and down the River Thames during the games.
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A list of commemorative events as the UK marks a decade to the day 52 were killed and hundreds injured in London terror attacks.
Tuesday morning's weather for the east of the region
Tuesday morning's weather for the west of the region