This comes after sporting director Kevin Thelwell was confronted by an angry fan following the 2-1 loss to Sturm Graz on Thursday evening.

Videos of the incident surfaced on social media, prompting Martin to respond.

The head coach said to Sky Sports: "I think everything is just heightened, not just here, not just in football, but in the UK in particular at the moment.

"I understand frustration.

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"Like I've said before in many interviews, no one is more frustrated than I am at the sort of lack of consistency we've had in terms of results.

"But I feel like we're getting somewhere, and you can't build something really quickly, especially when there's been so much change."

He has asked for patience from the fans, stating that there is a clear plan in place and that it is frustrating to be judged so early on.

He said: "These people, Patrick, Kevin, the owners, myself, they really care about building something here, and have a really clear plan.

"And to be judged on it so early on, for everyone, is...