Arsenal have been handed a major injury boost after Mikel Merino trained ahead of the first leg of their Champions League semi-final with Paris Saint-Germain. Ben White has also been passed fit for the game at Emirates Stadium on Tuesday. Merino and White missed last Wednesday’s 2-2 draw with Crystal Palace.

Arsenal and Paris Saint-Germain are gearing up for a massive UEFA Champions League semifinal, with just 180 minutes separating them from a place in the final. The two sides met earlier in the group

This season's Champions League is nearing its conclusion, with Arsenal, Paris St-Germain, Inter Milan and Barcelona the four sides left vying for a place in the final. Mikel Arteta's Arsenal will take on Ligue 1 champions PSG,