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.
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.
"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.
Niall Horan Reveals Solo Album Title, Art & Release Date
And Horan's bandmate Harry Styles started selling tickets in June 2017 for his two Madison Square Garden shows in June 2018. Niall is now on his own solo tour and he deliberately picked smaller venues to give his shows a more intimate feel.
Florida Senator Calls Nursing Home Deaths Inexcusable
Paulburn Bogle, a member of the housekeeping staff, said the place had been hot but manageable the past few days. Attempts by Reuters to reach representatives of the for-profit nursing home by phone and email went unanswered.
Rare white giraffes discovered in Kenya
The mother kept pacing back and forth a few yards in front of us while signaling the baby giraffe to hide behind the bushes". The reticulated giraffes are white because of a genetic condition called leucism, which causes a loss of pigmentation.
Australia kicks off weeks-long same-sex marriage ballot
Hundreds of "no" campaigners marched on Saturday, arguing that changes would infringe religious freedom and children's rights. Australian PM Malcolm Turnbull is one of those supporting a yes vote in an upcoming postal vote.