Promotion-chasing Oxford kept up the pressure on League One’s top two with a convincing 3-1 victory at Carlisle.
The U’s ran riot as Mark Harris’ brace and a further strike from Tyler Goodrham did the damage at Brunton Park.
Alfie McCalmont pulled one back for the relegation-threatened hosts, but they ultimately slipped to a third defeat in four matches.
The game sprung into life five minutes before the break as Harris slotted home after Elliott Moore headed Cameron Brannagan’s corner into his path.
And within minutes of the restart the striker doubled his and Oxford’s tally with his fourth goal in as many games as he rounded the keeper after being played through by Fin Stevens.
The game was done and dusted in the 68th minute when Goodrham cut inside and expertly found the bottom corner.
McCalmont opened his Cumbrians’ account after some brilliant work from Luke Armstrong to keep the ball alive, but it proved too little too late for Paul Simpson’s strugglers as their poor recent run stretched to just one win in 12 league outings.