UEFA to investigate after AZ Alkmaar fans clash with West Ham players’ families

Players including Michail Antonio, Said Benrahma, Aaron Cresswell and Flynn Downes climbed over the advertising hoardings in a bid to stop the trouble.

West Ham players clashed with AZ supporters after they tried to attack family and friends (Adam Davy/PA)

UEFA is expected to launch an investigation into the trouble that marred West Ham’s Europa Conference League semi-final victory at AZ Alkmaar.

Pablo Fornals’ injury-time winner, that earned a 3-1 aggregate success and sent them to next month’s final in Prague, prompted a gang of black-shirted, hooded AZ ultras to attempt to storm into the area reserved for friends and family behind the dugout.