Sunderland held by AZ Alkmaar as Europa League tie remains goalless at half-time

Sunderland and AZ Alkmaar were level at 0-0 at half-time after a closely fought first half at the Stadium of Light.

The English and Dutch sides produced an intense contest, with neither able to establish an advantage before the break. The midfield battle was particularly competitive, as both teams committed strongly in the challenges.

French referee Jeremie Pignard showed three yellow cards during the opening 45 minutes.

The match remains finely balanced, with everything still to play for in the second half.