A BANK worker who groped a woman’s breast at a concert could face a jail sentence.

Mark Campbell, 42, pounced on the shocked 20-year-old victim at at a gig for YouTube star Marc Rebillet at Glasgow’s Barras Art and Design on November 30 2018.

The married dad-of-four was pushed away and told to ‘f*** off’ by the woman.

Campbell, who earns £90,000-a-year in computer infrastructure for a large corporate bank, denied the allegation.

But, the first offender was found guilty of sexual assault after trial at Glasgow Sheriff Court.

Sheriff Lindsay Wood said: “The victim was quite clear what happened that you caused her difficulty over much of the concert.

“You were being too close to her and she repeatedly looked around.

“She was quite clear in evidence that you had your hand on her left breast over her nipple.

“At that point she pushed you off and told you to f*** off and that doesn’t seem made up to me.

“This appeared to be a deliberate act and it wouldn’t be surprising if drink played a part.”

The victim’s partner told the court in evidence that he heard her scream and turned to see Campbell pulling his hand away.

He said: “I couldn’t believe that had happened, we were pretty shocked by it and she was particularly disturbed by the incident.”

The pair reported the matter to security at the end of the concert and Campbell’s details were taken.

Campbell told the trial that he went out with a friend at 2pm and had “four or five pints” before the incident which took place around 11pm.

He stated he went to the concert as Marc Rebillet, an American singer, made fun of Donald Trump and other celebrities.

Campbell added: “Everyone was jumping about at the concert, bumping into each other.

“I would never intentionally touch any female other than my wife.

“It’s not appropriate, why would I go about touching people I have four kids and daughters.

“I wouldn’t go about jeopardising my family by touching people, it’s nonsense.”

Sentence was deferred until next month for background reports.

Campbell, of Alloa, Clackmannanshire, was granted bail and put on the sex offenders register meantime.