This is the shocking moment a football coach punched a teen linesman to the ground during an 8-0 defeat.<br /><br />Robert Williams-Jones was managing Amlwch Town FC when he grew frustrated at the humiliating scoresheet.<br /><br />Just 15 minutes into the match, the 43-year-old was filmed landing a blow on the linesman - leaving him sprawled on the ground.<br /><br />Footage then showed spectators and staff rushing over to the dugout to help the official, whose age hasn't been released.<br /><br />Williams-Jones pleaded guilty to assault occasioning actual bodily harm but avoided a prison term.<br /><br />The thug was instead handed a 24-week sentence suspended for 12 months at Caernarfon Magistrates' Court.<br /><br />He was also ordered to carry out 150 hours of unpaid work and pay £1,000 in compensation.<br /><br />The shocking attack took place in Amlwch, Wales, last April as the North Wales Coast West team took on Penrhyndeudraeth FC.<br /><br />Williams-Jones was standing on the touchline as the linesman did his job when he appeared to assault him out of nowhere.<br /><br />As the teen was sent flying, the game was paused while the raging gaffer returned to his team's bench.<br /><br />The Penrhyn player, who had been acting as voluntary linesman, was then seen standing up looking dazed before being led off the pitch.<br /><br />Footage of the punch was shared widely online - causing police to launch an investigation.<br /><br />Amlwch Town FC later confirmed it had cut ties with Williams-Jones.<br /><br />Penrhyn said at the time: "A fantastic result and performance from the lads today.<br /><br />"Unfortunately, the game was marred by an incident which occurred approximately 15 minutes into the game when a Penrhyn player, acting as a voluntary linesman, was assaulted."<br /><br />Their manager Riccardo Pellegrino later praised his side, saying: "Your behavior on the pitch after what happened was impeccable, I'm proud to coach this fantastic group of lads.<br /><br />"I’m proud of all of you COYC."
