By Nathan Ridley Ilkay Gundogan has accused team-mate Ronald Araujo of ‘killing’ Barcelona’s Champions League hopes – and taken a thinly-veiled swipe at Robert Lewandowski. Barca were dumped out at the quarter-final stage on Tuesday when after increasing their advantage to 4-2 on aggregate, Araujo was shown a straight red card which turned the tie on its head. The Uruguayan defender was sent for an early bath when PSG forward Bradley Barcola profited from Araujo’s misplaced pass, and when the Barcelona centre-back attempted to make amends, he dragged the Frenchman down as the last man back. Th…