Warwickshire pace bowlers Craig Miles and Liam Norwell demolished Derbyshire before the home side hit back strongly on day two of the LV= Insurance County Championship match at Derby.

The pair shared nine wickets to skittle Derbyshire for 121 but after Warwickshire chose not to enforce the follow on, Michael Cohen took 3 for 26 as the visitors collapsed to 132 for 7, a lead of 285.