Manchester United 3-2 Celtic: Artur Boruc celebrates after Jan Vennegoor of Hesselink fires Celtic ahead

Manchester United manager Sir Alex Ferguson shows his frustration after the Scottish champions stun the hosts

The hosts respond in the 30th minute as Louis Saha converts from the penalty spot after Ryan Giggs is fouled by Boruc

United take the lead as Saha latches on to Paul Scholes' pass to score his second of the night in the 40th minute

Celtic equalise through Shunsuke Nakamura's delightful free-kick in the 43rd minute of an entertaining opening half

Celtic are stunned as substitute Ole Gunnar Solskjaer fires Manchester United back into the lead in the 47th minute

Hamburg 1-2 Arsenal: The Gunners are awarded a penalty as Sascha Kirschstein brings down Robin van Persie

Midfielder Gilberto Silva slots home the resulting spot-kick to put the Arsenal ahead after Kirschstein is sent off

The visitors take a 2-0 lead as Tomas Rosicky scores his first goal for Arsenal with a spectacular strike in the 53rd minute

Hamburg's Boubacar Sanogo scores a last-minute goal but is left exhausted as Arsenal claim the three points