British teams kept apart but Tottenham in same group as Real Madrid.
GROUP A: Benfica, Man Utd, Basel, CSKA Moscow
GROUP B: Bayern Munich, PSG, Anderlecht, Celtic
GROUP C: Chelsea, Atletico Madrid, AS Roma,Qarabag
GROUP D: Juventus, Barcelona, Olympiakos, Sporting Lisbon
GROUP E: Spartak Moscow, Sevilla, Liverpool, Maribor
GROUP F: Shakhtar Donetsk, Man City, Napoli, Feyenoord
GROUP G: Monaco, Porto, Besiktas, RB Leipzig
GROUP H: Real Madrid, Borussia Dortmund, Tottenham, Apoel
GROUP STAGE MATCH DAYS:
Match day one: 12-13 September
Match day two: 26-27 September
Match day three: 17-18 October
Match day four: 31 October-1 November
Match day five: 21-22 November
Match day six: 5-6 December
Source: tribalfootball.com