Previewing Arsenal's Champions League semi-final first leg clash with Paris Saint-Germain. Includes how to watch on TV, team news, score prediction and full bui

The UEFA Champions League is down to its final four teams, who will kick off their semifinal ties this week as a spot in the May 31 final at Munich's Allianz Arena feels within touching distance. Paris Saint-Germain and Barcelona,

Merino missed the Gunners’ most recent match - against Crystal Palace last Wednesday - and was a doubt for the first leg of Arsenal’s semi-final against PSG at Emirates Stadium on Tuesday. The Spaniard, however, took part in training on Monday afternoon and is expected to be fit for the game.