By Matthew Cooper Former Liverpool and Arsenal star Alex Oxlade-Chamberlain was at the centre of a heated clash as Besiktas beat Lugano in the Europa Conference League on Thursday. Late on in the game, Oxlade-Chamberlain reacted angrily to a poor challenge from Renato Steffen and sparked a furious ruckus that resulted in both players getting sent off. The incident occurred after the pair were battling for possession, with Steffen fouling Oxlade-Chamberlain. The former England international then appeared to kick out at Steffen in response. Players from both sides immediately rushed over to keep…