Shadow home secretary Yvette Cooper has announced she is standing for the Labour leadership.
The Normanton, Pontefract and Castleford MP joins the race alongside Chuka Umunna, Liz Kendall and Andy Burnham, who also announced his candidacy today.
Under the timetable set out by the NEC, the formal election period will open on Friday.
The Parliamentary Labour Party will stage hustings for the leadership contenders on June 8 and for deputy leadership contenders on June 9, when nominations for both posts open.
Nominations for leader will close at midday on June 15 and for deputy leader at noon on June 17. Ballot papers will be sent out by post on August 14 and polling will close at noon on September 10.
Labour's Yvette Cooper holds her seat of Normanton, Pontefract and Castleford.
Police are investigating an armed robbery in which two men threatened staff at a convenience store in Ryhill, near Pontefract, with a knife and crowbar.
It happened at around 9.30pm at the store in Mill Lane, on Sunday April 19th. One of the men demanded cash and took money from a safe.
Both men were described as around 5ft 10ins tall, in their early 30s and had local accents. They were dressed all in black and one was wearing a pink scarf over his face. Police, who say the staff were left traumatised and distressed, are appealing for witnesses.
Police have named the 74-year-old woman who died following a collision in a supermarket car park as Molly Wood, from Knottingley.
Ms Wood was killed after she was hit by an unoccupied burgundy-coloured Kia Venga in Pontefract on Wednesday.
Anyone who saw the incident has been told to contact the police.
Police are appealing for witnesses after a 74-year-old woman died following a collision in a supermarket car park in Pontefract.
The incident is said to have taken place around midday on Wednesday when a unoccupied burgundy-coloured Kia Venga lurched forward, and struck two women who were stood towards the front of the vehicle.
The women who were hit by the car had been occupants of the vehicle alongside the female driver.
A 74-year-old woman from Knottingley died at the scene. The other woman, who was 70 years of age, was not seriously injured in the incident but has been left badly shaken by what took place.
Anyone with information has been asked to contact West Yorkshire Police.
A man from Pontefract says he could be forced out of retirement and may even have to sell his house to help save his wife's life.
Lisa Brydon had been given months to live after being diagnosed with a brain tumour. Since she started taking the drug Avastin, she says her life has been transformed.
But the couple are having to pay for it themselves after the NHS refused. Helen Steel reports.
The lorry driver accused of killing a trainee nurse when he drove into a minibus on the M62 has appeared in court today to deny causing her death.
Kevin Ollerhead from St Helens collided with the minibus, which was carrying 21 women to a hen party in Liverpool, last year. 18 year old Bethany Jones died at the scene.
Leeds Crown Court heard the 24 seater coach suffered mechanical problems and came to a 'near standstill' on the motorway. Other vehicles avoided colliding with the coach but Ollerhead of Lincoln Crescet who was driving on cruise control drove into the back of the bus.
Miss Jones died from multiple injuries. All the other passengers were injured.
James Johnson, the coach driver, also stands accused of causing death by dangerous driving. He pleaded guilty at an earlier hearing.
A man has appeared in court accused of trying to rape a woman on a night bus in Pontefract. The alleged assault is said to have taken place on Wednesday evening (October 8). Chris Kiddey reports.
A man has appeared in court accused of trying to rape a 19 year old woman on a night bus in Pontefract.
Ryan Whiteman, 22, of no fixed address, is alleged to have carried out the attack last Wednesday evening. He is also accused of making threats to kill and indecent assault.
He was remanded in custody by magistrates sitting in Leeds.
He will next appear at Leeds Crown Court on October the 24th.