The manager of the hotel, near Bishop's Stortford, where two two guests died after being found in the swimming pool has just issued this statement.
We are devastated by this tragic incident and our thoughts are with the family and friends of those concerned. As soon as the alarm was raised, two of our team dived into the pool and did everything they could to try to save them. We are cooperating fully with the police investigation.
More top news
The plaque at number 16 Cowley Street in Westminster marks the brown brick Georgian townhouse where Sir John lived for 31 years.
A man reportedly armed with several knives has been arrested in Whitehall on suspicion of planning a terror attack, police have said.
Metropolitan Police officer, Tom Harrison, has been crawling the course since the race began on Sunday morning.