Emery: 'until the last moment I don't know'

Unai Emery on Emi Martinez's chance of recovering to play Arsenal on Saturday.

Villa head coach Unai Emery discusses Emi Martinez's fitness and the scale of the challenge they face against Arsenal, at his Friday lunchtime press conference.

Aston Villa v Arsenal - commentary on BBC Radio WM (95.6FM/DAB/Freeview 714), Saturday 12.30pm