England need just 78 more runs to win the second Test against the West Indies after continuing to dominate on day five in Grenada.
James Anderson was the key man in the morning session as he claimed 3-1 in just four overs and played a part in three other dismissals as the hosts collapsed from 224-2 to 286-8.
There was little resistance after the interval, with Moeen Ali trapping Denesh Ramdin (28) and Shannon Gabriel (0) lbw as the West Indies slipped to 307 all out.
Chasing 143 for victory, the England chase got off to a nervy start when Jonathan Trott (0) dragged on to give Gabriel a wicket with just two runs on the board.
Alastair Cook (37*) was joined at the crease by the in-form Gary Ballance (26*), who enjoyed a slice of luck when Devon Smith dropped him at first slip. before helping his side reach the tea break on 65-1.
