Emergency services are attending to an ongoing incident in West Drayton .
Police cars were seen in Horton Road, near West Drayton station, on Friday (August 18) morning.
It is believe they were attending to an incident on the Grand Union Canal .
One passer-by reported seeing five police cars and a medical vehicle in attendance in the area around the canal.
The Metropolitan Police has been approached for comment.
We will be bringing you all the very latest updates, pictures and video on this breaking news story as it develops.
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And thus ends our live blog
You can read the full story here: Man arrested and taken to hospital after jumping into canal
The man is under arrest
Police have confirmed that the man is under arrest.
The man is out of the water
The man is out of the water after a total of almost three hours after police were called
A Metropolitan Police spokesman said:
“Male out of the water at 1.41pm and is being taken by London Ambulance Service to a west London hospital.”
What we know so far
Here is everything we know so far regarding the incident today:
Video footage from scene taken on the canal
Picture shows police negotiating with the man in the canal
Residents take to Twitter wondering what is happening
Picture from the scene shows emergency services attending canal
Metropolitan Police have confirmed a man is still in the water and officers are still on scene.
A spokesman said:
“Police were called at 10.50am on Friday (August 18) to High Street, Yiewsley to reports of a man making threats.
“Officers attended and the man - riding a bicycle - was still at the scene.
“He made off from officers and subsequently jumped into the Grand Union Canal nearby.
“Additional units along with the London Fire Brigade and London Ambulance Service are on scene.
“A specialist police negotiator will be attending. Efforts to retrieve the man from the water are ongoing.
“The canal path has been cordoned off while emergency services deal.”
Fire brigade are at the scene to assist police
A spokesman for London Fire Brigade said:
“We were called at 11.27am to Trout Road, West Drayton, to assist with a police incident.
“There is a person in the waterway and we are standing by to assist police.
“We sent three fire engines and two fire rescue units.”