Two men from the Port of London Authority launch their campaign to tackle human error

The Port of London Authority has unveiled its latest safety campaign - targeting human error - which has been linked to at least 40% of accidents on the river Thames in the last two years

Inside a lock - part of the open days on waterways organised by the Canal and River Trust

Next month, the Canal and River Trust is launching its national programme of free open days to give the public a peek behind the scenes of Britain's waterways.