Tony Mowbray has left his position as Middlesbrough manager.
The club confirmed that assistant Mark Venus would take over from the 49-year-old, who has been at the helm since 2010.
A statement on their official website read: "Middlesbrough Football Club have today announced that manager Tony Mowbray has left the club with immediate effect.
"Assistant manager Mark Venus will take charge of the team until further notice."
More top news
Any overnight mist should lift on Monday morning into good spells of wintry sunshine and patchy cloud. Frosty everywhere. Odd icy patch.
Cold, bright and mainly dry
Newcastle Falcons narrowly miss out on a draw against Saracens in a pulsating match witnessed by the biggest crowd in nine years