Martin O’Neill admitted Celtic were handed a reality check after they were thumped 3-1 by FC Midtjylland.

The Hoops’ hopes of prolonging their Europa League campaign into the knockout stages suffered a major blow as the Danes hammered in three goals in eight first-half minutes.

Teenage substitute Callum Osmand won a late penalty which Reo Hatate converted, but the 19-year-old was then taken off on a stretcher in tears on a horrible night for the Scottish champions.

“It was a tough evening, there’s no question about it,” said interim boss O’Neill.

“We conceded two goals within a minute or 90 seconds of each other and the game goes away from you very, very quickly.

“They score a third and it’s a long way back. The goals that we conceded weren’t good. But in terms of European football, they’re a very fine side, there’s no question about it.”

Back in the Hoops dug-out after 20 years having answered the call to replace Brendan Rodgers, O’Neill had already led them to a morale-boosting 4-0 league win over Falkirk followed by Sunday’s rousing victory over Old Firm rivals Rangers to reach the Premier Sports Cup final.

But Celtic were ruthlessly taken apart at the MCH Arena in Herning as Midtjylland...