Jonathan Agnew and Michael Vaughan review an intriguing fourth day at Lord's, with England 104 runs ahead going into the final day's play. Steve Smith was forced to temporarily retire hurt after being struck on the neck during a hostile Jofra Archer spell. The Australian coach Justin Langer gives an update on Smith's fitness, while England all-rounder Chris Woakes tells us he believes England can emerge victorious. And we hear from avid cricket fan, Strictly Come Dancing's Anton Du Beke.