The round of 16 is officially underway in the UEFA Champions League with several teams halfway to a spot in the quarterfinals after first-leg action. Arsenal, Aston Villa and Real Madrid all carry advantages heading into next week's second leg,

Arsenal had failed to get a goal in two games prior to Tuesday’s Champions League clash against PSV Eindhoven. Then, much like London buses, seven came at once in a record-breaking performance.

A superb goal from Brahim Diaz helped Real Madrid maintain its dominance of the Madrid derby on Europe's biggest stage with a 2-1 victory over bitter rival Atletico in the first leg of their Champions League last 16 tie on Tuesday.