Leicester City owner Vichai Srivaddhanaprabha and four others were tragically killed in a helicopter crash outside the King Power Stadium on Saturday.
The incident came after the Premier League clash against West Ham, which ended in a 1-1 draw.
Witnesses said the helicopter spiralled out of control moments after it set off at 8.30pm on Saturday night and plummeted into a car park.
Police cars and emergency services rushed towards an area where flames were visible before the area was evacuated.
When do Leicester play next?
Leicester’s next game will be an away clash against Cardiff in the Premier League on Saturday, November 3.
The Foxes were due to play Southampton at the King Power tomorrow in the Carabao Cup but the fixture has now been postponed.
The EFL said in statement: “Leicester City’s Round Four Carabao Cup tie with Southampton, scheduled for Tuesday 30 October, has been postponed.
“The decision comes after the devastating events at the King Power Stadium on Saturday evening when, shortly after taking off, a helicopter crashed into a stadium car park.
“The thoughts and prayers of the EFL and its member Clubs are with the family and friends of those who have lost loved ones, Leicester City Football Club, its supporters and the wider Leicester community.
“A rearranged date will be confirmed in due course.
“As a mark of respect to those who perished in Saturday’s tragic events, players will wear black armbands at all EFL fixtures (Carabao Cup and League matches) over the next seven days.
“Clubs will also pay tribute by holding a minute’s silence or minute’s applause (whichever is deemed most appropriate by the home club).”
Leicester City full fixture list (Dates are subject to change)
Saturday, November 3 – Cardiff vs Leicester
Saturday, November 10 – Leicester vs Burnley
Saturday, November 24 – Brighton vs Leicester
Saturday, December 1 – Leicester vs Watford
Tuesday, December 4 – Fulham vs Leicester
Saturday, December 8 – Leicester vs Tottenham
Saturday, December 15 – Crystal Palace vs Leicester
Saturday, December 22 – Chelsea vs Leicester
Wednesday, December 26 – Leicester vs Manchester City
Saturday, December 29 – Leicester vs Cardiff
Tuesday, January 1 – Everton vs Leicester
Saturday, January 12 – Leicester vs Southampton
Saturday, January 19 – Wolves vs Leicester
Wednesday, January 30 – Liverpool vs Leicester
Saturday, February 2 – Leicester vs Manchester United
Saturday, February 9 – Tottenham vs Leicester
Saturday, February 23 – Leicester vs Crystal Palace
Tuesday, February 26 – Leicester vs Brighton
Saturday, March 2 – Watford vs Leicester
Saturday, March 9 – Leicester vs Fulham
Saturday, March 16 – Burnley vs Leicester
Saturday, March 30 – Leicester vs Bournemouth
Saturday, April 6 – Huddersfield vs Leicester
Saturday, April 13 – Leicester vs Newcastle
Saturday, April 20 – West Ham vs Leicester
Saturday, April 27 – Leicester vs Arsenal
Saturday, May 4 – Manchester City vs Leicester
Sunday, May 12 – Leicester vs Chelsea