Tammy Abraham scored a hat-trick for the Blues as the Premier League side cruised past Luton Town to book a spot in the fifth round of the Emirates FA Cup. Follow @EmiratesFACup on Twitter for in-game highlights and match updates! https://twitter.com/emiratesfacup Subscribe: https://www.youtube.com/thefacup To find out more about The Emirates FA Cup visit: TheFA.com/EmiratesFACup The Emirates FA Cup on Facebookhttps://www.facebook.com/EmiratesFACup/ The Emirates FA Cup on Instagram https://www.instagram.com/emiratesfacup/