Britain arrests man in London tube attack

Bloomberg

Police have arrested an 18-year-old man on the UK southeast coast in connection with the detonation
of an improvised bomb on a London tube train that injured at least
29 people.
The man was arrested in the port area of Dover, a major ferry hub for travel to France, on Saturday and is being held under a section of the UK Terrorism Act, the Metropolitan Police said in a statement. He is being held at a local police station then will be transferred to a south London “in due course.”
“We have made a significant arrest in our investigation this morning,” Neil Basu, senior national co-ordinator for counter terrorism policing, said in the statement. “Although we are pleased with the progress made, this investigation continues and the threat level remains at critical.” The man in custody wasn’t identified by police.
The UK terror threat level was raised to highest level, signaling further attacks may be imminent, Prime Minister Theresa May said, as police hunted for suspects who set off the improvised bomb at the Parsons Green station at about 8:20 am, causing what witnesses described as a fireball. The joint terrorism analysis center’s assessment “is that further attacks may be imminent,” May said.
May said earlier that the device was “intended to cause serious harm.” Sky News broadcast images of a small fire in a bucket and
Lidl shopping bag with wires protruding and said the device, which had a timer, had probably failed to detonate fully.
In the Saturday update, London police said the public should “remain vigilant” as it works through a “complex investigation.” Troops have been deployed as part of an operation to free up some 1,000 armed police so they can protect transport hubs and events.
“Rest assured the full resources of our police and security services are being deployed to track down those responsible,” London Mayor Sadiq Khan said.

Trump Storm
US President Donald Trump said on Twitter that the “loser terrorist” was “in the sights of Scotland Yard,” a reference to the headquarters of London’s Metropolitan Police Service. May complained directly to him when Trump called to offer condolences, according to a UK government official familiar with the conversation. She was more measured in a pooled broadcast interview earlier: “I never think it’s helpful for anyone to speculate on what’s an ongoing investigation.”
In an apparent US leak, CBS reported that the explosives were consistent with those used in another recent attack. The US and UK have close intelligence-sharing ties and the UK has publicly criticised US leaks of police intelligence after previous attacks.
The attack is the fifth this year in the UK and Londoners are growing accustomed to the sight of armed police patrolling the transport network. Police said that terrorism-related arrests had risen 68 percent over the past year.
Earlier this year assailants with vans and knives attacked passers by on Westminster Bridge and London Bridge in two separate strikes, and a van was driven into worshippers outside a mosque in Finsbury Park. A suicide bomber attacked a concert venue in Manchester in May, killing 20 people including children and mothers. The terror threat level was raised to critical after that attack and lowered four days later to severe, meaning an attack is considered highly likely but not imminent.