Theresa May has now signed a letter to trigger Article 50, the start of the official process to leave the EU.
Alton Towers Crash: Confirmed Girl Injured Had Leg Amputated
Heart's been told one for the four seriously injured at AltonTowers last week has had to have her leg amputated above her left knee.
Leah Washington also has a fractured hand after two carriages collioded on the Smiler last Tuesday.
In a statment her dad says she will need months of rehabilitation after suffering the life-changing injury.
He also thanked family and friends for their support and the emergency services at the scene.
David Washington said: “Leah has suffered a life-changing injury and now has many months of rehabilitation ahead of her.
“We have done this to put people’s minds at rest and we would also ask everyone to respect Leah’s privacy as she undergoes this rehabilitation.
“We would like to thank all the emergency services at the scene and all the hospital staff who saved Leah’s life.”
University Hospitals Of North Midlands have described her current condition as serious but stable.
Meanwhile The theme park in Staffordshire opened its gates to the public again this morning.
The wife of Westminster attacker Khalid Masood has said she is "saddened and shocked'' by the atrocity.
In May 2017 the West Midlands Mayoral election will take place - Here are the candidates you will be voting for:
In the months before the attack on Westminster, Khalid Masood had been living in Birmingham. Here's what we know about him so far.
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