Man United fans mock Erling Haaland’s father, Alf-Inge, on the train by chanting Roy Keane’s song during their fight over the Һσɾɾιfιc tackle

Manchester United fans were heard insulting Erling Haaland’s father, Alf-Inge, with Roy Keane’s song after spotting him on the train to the FA Cup Final.

On Saturday afternoon, the Man United fans and Alf-Inge traveled to Wembley Stadium for the final, where the Red Devils would face rivals Manchester City.

Alf-Inge was there to support his son, Manchester City sensation Erling.

Man United fans did not spare the 51-year-old former Manchester City, Leeds, and Nottingham Forest player.

Supporters aboard the train were heard singing a song dedicated to former Manchester United captain Keane to Alf-Inge, according to social media footage.

Man United fans were heard taunting Alf-Inge Haaland with a Roy Keane song on the train+8View gallery

Man United fans were heard taunting Alf-Inge Haaland with a Roy Keane song on the train

Alf-Inge shook his head at the Man United supporters+8View galleryThe former Man City midfielder turned away from the fans+8View gallery

Alf-Inge shook his head at the Man United supporters before turning away from the fans

Keane had infamously injured Alf-Inge with a tackle in a Manchester derby back in 2001

Keane, now 51, was initially slapped with a standard three-match ban and £5,000 ban, but the incident was dredged back the following year after the release of his autobiography. 

Alf-Inge had travelled to Wembley to support his son and Manchester City star Erling Haaland+8View gallery

Alf-Inge had travelled to Wembley to support his son and Manchester City star Erling Haaland

It proved a frustrating day for Haaland as the forward struck the bar in Man City's 2-1 loss+8View gallery

It proved a frustrating day for Haaland as the forward struck the bar in Man City’s 2-1 loss

Keane has continued his feud with the Haaland's with harsh critics over Erling this season+8View gallery

Keane has continued his feud with the Haaland’s with harsh critics over Erling this season

Man United lifted the FA Cup after a surprise 2-1 win over the Premier League champions

For implying that the comments in his book were purposeful, he received an additional £150,000 fine and a five-match ban.

The rivalry has reignited with Erling’s move to Manchester City, with Keane criticizing the forward this season.

After Manchester City’s goalless draw with Arsenal in March, Keane slammed Haaland’s overall performance, suggesting he was like a ‘League Two player’.

He also claimed the attacker acted like a’spoiled brat’ when he came off against Wolves after scoring four goals.

The Haalands were disappointed at Wembley, as Manchester City failed to secure successive league and cup doubles.

Man United defeated Man City 2-1 in the final thanks to goals from Alejandro Garnacho and Kobbie Mainoo, with Jeremy Doku providing a consolation for the pre-match favourites.