Tottenham captain Heung-min Son blasted his side's performance in their 1-0 defeat to AZ Alkmaar in the Europa League and says the result is a "big wake-up call".Lucas Bergvall's own goal in the 18th minute earned AZ a deserved lead ahead of next Thursday's decider in north London.

Tottenham Hotspur have lost their first knockout match of the UEFA Europa League in the Netherlands, unable to overcome a first-half own goal. Spurs' South Korean skipper Son Heung-min logged 72 unproductive minutes in his team's 1-0 loss to AZ Alkmaar in the opening leg of the round of 16 at AZ

Tottenham captain Son Heung-min has said his side’s performance in their 1-0 defeat to AZ Alkmaar was nowhere near the levels required.An own goal from Lucas Bergvall in the first half was enough