Arsenal vs Porto – Champions League last 16 LIVE: Gunners look to flip tie on head in huge second leg – updates

ARSENAL are facing a massive second leg at the Emirates Stadium with their European chances currently hanging by a thread.

The Gunners thought they had secured a 0-0 draw in Portugal before Galeno's late effort gave Porto a huge advantage heading into the second leg.

Arsenal remain heavy favourites to progress but it could be a tough night ahead for Mikel Arteta's Premier League leaders.