Joe Root scored his 22nd Test fifty during a 95-run third wicket stand with James Vince.

James Vince was largely circumspect but did enough to ensure England suffered no further setbacks in the first session.

Sohail Khan gave England the early breakthrough on Day 4 when he got rid of Alastair Cook.

Mohammad Amir snared Alex Hales, the other overnight half-centurion, to put Pakistan on top at Edgbaston.

Yasir Shah dismissed Joe Root and Gary Ballance to bring Pakistan back into the contest.

A first Test match half century continued to elude James Vince, who was dismissed for 42 by Mohammad AMir.

Jonathan Bairstow scored a fluent half-century and along with Moeen Ali pushed England's lead past the 250 mark.