London Fire Brigade were also on the scene, tweeting: 'We have a number of resources and specialists officers in attendance at the incident at #ParsonsGreentube station'. United Kingdom authorities say they are treating the incident as a terrorist incident.
Londoners are growing used to terrorism and to the sight of heavily armed police patrolling the transport network.
People reported seeing a "fireball" and a "wall of flame" in the train and people "covered in blood".
A total of 22 people - including children - were injured in the explosion, with a lot of them suffering from "flash burns and are being treated in hospital, mostly for burn injuries".
An explosion occurred on a District Line train on the #London Underground at shortly after 8:20 a.m. local time Friday morning as people commuted to work.
Cassini Completes 20-Year Mission With Plunge Into Saturn
Cassini is expected to send back new details about the planet and its moons right up until its blazing finale later on Friday. Back in April, the spacecraft started a series of orbits that had the goal of looking in between and behind Saturn's rings.
"I saw people with minor injuries, burns to the face, arms, legs, multiple casualties in that way.People were helping each other", he said. An image of the explosive device taken by a commuter appeared to show a white bucket in a trash bag, with wire sticking out.
"As London has proven again and again we will never be intimidated or defeated by terrorism", he added calling on Londoners to remain calm and vigilant.
State jobless rate rose to 5.1 percent in August
The 3 percent unemployment rate for August compares with a rate of 3.1 percent in July and 3.2 percent in August 2016. Gains was also reported in other services (+1,800), trade-transportationutilities (+1,700), and construction (+1,600).
Pakistan beats World XI, wins series
Students are painting their faces with Pakistani flag colours and a lot of them are also wearing shirts of Pakistani flag. World XI captain Faf du Plessis and Pakistan captain Sarfraz Ahmed. "This has been a huge success", said du Plessis.
Renault-Nissan CEO confident in electrics future
Under the plan, the alliance will introduce a new family of EV motor and batteries from 2020, shared across the member companies. Called Alliance 2022 , the six-year plan has set a new target to double annual synergies to €10 billion by the end of the plan.
Brazil tycoon Wesley Batista held for 'insider trading'
Despite the lower house's move to block the charges, they remain valid and can be pursued by prosecutors once Temer leaves office. The Supreme Court was also considering a motion from Temer's lawyers to throw out the Batista evidence.
Formula One issue warning to drivers ahead of Singapore GP
His teammate Max Verstappen , meanwhile, prepares for the race by "doing heat training in the sauna and getting ready to sweat". Even if we were quickest this morning, I was still wanting more from the vehicle and we found another step.