Tammy Abraham fires hat-trick to ease pressure on Chelsea boss Frank Lampard

Tammy Abraham took his Chelsea goal tally to 11 for the season, netting twice in seven first-half minutes

Tammy Abraham (right) celebrates a Chelsea hat-trick with team-mate Callum Hudson-Odoi in a 3-1 FA Cup fourth round win over Luton.

Tammy Abraham struck a smart Stamford Bridge hat-trick as Chelsea drove past stubborn Luton with a 3-1 win and into the FA Cup fifth round.

England hitman Abraham took his Chelsea goal tally to 11 for the season, netting twice in seven first-half minutes before completing his treble late on.