Armed anti-terror police in terrifyingly realistic Thames pleasure boat drill

Telegraph Reporters
Police officers taking part in a multi-agency drill to test the emergency services' response to a marauding terrorist attack in London, on the river Thames in east London -  Gareth Fuller/PA

Armed police have played out the chaos of a "pleasure boat" terrorist attack on the Thames in a unique marine-based exercise to test the emergency response to gunmen.

A sightseeing vessel became the scene of a fierce mock-gun battle between armed officers and police volunteers posing as terrorists shortly after 11am on Sunday, close to the London Docklands area.

Armed police on fast boats race toward the scene of the Thames 'attack' Credit: Gareth Fuller/PA

The exercise marks the first time the Metropolitan Police have enacted a live-action, water-borne exercise of its kind, with over 200 officers involved.

Armed officers boarded the moving vessel in a hail of gunfire just over two hours after a simulated hijacking in which a group of around five officers posing as gun-wielding terrorists assumed command of the boat in a role-play hostage scenario.

At least one "body", played by a police volunteer, was cast overboard, and officers were deployed in a bid to assess the effectiveness of rescue operation tactics in life-like conditions.

Police approach the pleasure cruiser, where terrorists have reportedly taken several river-goers hostage Credit: Gareth fuller/PA

The multi-agency operation was carried out between the Met, the Port of London Authority, London Coastguard, the Royal National Lifeboat Institution (RNLI), London Ambulance Service and London Fire Brigade.

It was designed to test every phase of the emergency services' effectiveness with a river-based terrorist attack in the capital - from the moment an incident is reported, to the conclusion of a rescue operation.

Commander BJ Harrington, head of the Met's Public Order Command, said the exercise was not planned in response to any "specific intelligence" about an impending marine attack.

Black-clad armed officers board the boat Credit: Gareth Fuller/PA

But he noted that recent terrorist incidents on the continent showed how would-be attackers have diversified their means of inflicting harm to the general public.

He said: "It's important to point out that the exercise has not been designed in response to any specific threat.

"There's no information that we have that we're preparing for.

"Of course, we have seen a number of incidents abroad in the past few years: Nice, Berlin - we have seen different methodologies developing, and, of course, the river runs right the way through London so why wouldn't we prepare for that."

The exercise comes just two weeks after the Met's most senior counter-terrorism officer, assistant commissioner Mark Rowley, revealed that security services have thwarted 13 potential terrorist attacks in the UK in less than four years.

The figure is one higher than the last tally given in October.

Anti-terror cops make their way onto the vessel's upper deck Credit: Gareth Fuller/PA

Assistant commissioner Rowley said up to 500 counter-terror investigations are operational at any one time, with investigators making arrests at a rate of close to one a day on average since 2014.

The official threat level for international terrorism in the UK has stood at severe - meaning an attack is "highly likely" - for more than two years.

Commander Harrington said the exercise marks the first time all the involved agencies have come together to test their interoperability and effectiveness as a group, and hoped it would act as a deterrent to any would-be attackers.

He said: "Most importantly, we give the people who are going to have to do this tricky and difficult and dangerous stuff the opportunity to have confidence that they can do it, and hopefully, above all, give confidence to people who live and work and visit London to say the police, the agencies, blue light agencies and other public service agencies, are in a really good position to protect them and keep them safe.

"I do hope there is a deterrent effect in this when they see how effective our people are."

A previous major inter-agency exercise in June 2015, Operation Strong Tower, saw hundreds of officers respond to a simulated terror threat in a disused London Underground station.

This was just five days after 30 Britons were killed when a gunman attacked holidaymakers on a beach in Tunisia.

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