Newcomers Granit Xhaka and Lucas Perez star as Arsenal advance in League Cup – in pictures

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  Arsenal manager Arsene Wenger looks on during the League Cup third round match between Nottingham Forest and Arsenal at City Ground. Laurence Griffiths / Getty Images

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  Jeff Reine-Adelaide of Arsenal takes on Pajtim Kasami of Nottingham Forest during the League Cup third round match. Laurence Griffiths / Getty Images

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  Arsenal’s Granit Xhaka, second left, shoots to score the opening goal. Lindsey Parnaby / AFP

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  Granit Xhaka of Arsenal celebrates scoring the opening goal. Shaun Botterill / Getty Images

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  Lucas Perez of Arsenal scores his side’s second goal from the penalty spot. Shaun Botterill / Getty Images

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  Lucas Perez of Arsenal celebrates after scoring his side’s second goal. Shaun Botterill / Getty Images

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  Lucas Perez of Arsenal scores his team’s third goal during the League Cup third round match. Shaun Botterill / Getty Images

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  Arsenal’s Lucas Perez celebrates scoring their third goal with Jeff Reine-Adelaide and Chuba Akpom. Tony O’Brien / Action Images / Reuters

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  Arsenal’s Alex Oxlade-Chamberlain scores their fourth goal. Tony O’Brien / Action Images / Reuters

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  Arsenal’s Alex Oxlade-Chamberlain celebrates scoring their fourth goal. Tony O’Brien / Action Images / Reuters

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  Arsenal’s Kieran Gibbs hugs Nottingham Forest’s Nicklas Bendtner after the game. John Sibley / Action Images / Reuters

Images from Arsenal's 4-0 win over Nottingham Forest in the third round of the League Cup on Tuesday night, with recently-signed Granit Xhaka opening the scoring before fellow new arrival Lucas Perez fired in a double, with Alex Oxlade-Chamberlain rounding things out.

• More: League Cup results – Chelsea, Liverpool, Arsenal win big; Everton and Bournemouth crash out