MOD today named the six soldiers that have been missing since their Warrior armoured vehicle was in an explosion.
Five of the six soldiers are from the 3rd Battallion Yorkshire Regiment.
The group - which included five soldiers from the 3rd Battalion the Yorkshire Regiment and one from the 1st Battalion The Duke of Lancaster's Regiment - was on a mounted patrol when their Warrior Armoured Fighting Vehicle was struck. Their families have been informed.
The total number of British forces personnel or MoD civilians who have died while serving in the war-torn region is more than 400 since the start of operations in October 2001.
This tragic incident brings home to us the dangers that are faced on a daily basis by the men and women of our Armed Forces deployed in Afghanistan.
General Sir Richard Dannat speaking to ITV about the loss of life in Afghanistan
Defence Secretary Philip Hammond speaks to ITV News: "Sacrifice made by these Soldiers will protect the UK"
Nick Boles Conservative MP for Grantham & Stamford asks PM to bring our forces home during Prime Minister's Questions.
Prime Minister David Cameron tells ITV News: 'It's a desperately sad day'
Leader of the Opposition Ed Miliband pays tribute to the dead soldiers.
BELOW: Families pay tribute to the fallen
BELOW: Lisa Adlam has been gauging Huddersfield's reaction to the tragic news.