SHOCKING VIDEO: CCTV shows axe man smashing bottles in Sheffield shop minutes after brutal attack on cop
This dramatic CCTV footage shows the moments after Nathan Sumner attacked PC Lisa Bates with an axe on a Sheffield estate.
In the footage Sumner is seen entering the shop in just his shorts before smashing bottles and talking energetically with staff and customers.
Moments earlier the 36-year-old had attacked PC Bates as her and a colleague attended Sumner's flat.
The police officer suffered a fractured skull and lost a finger in the brutal attack.
Sumner was found guilty of GBH with intent and was today sentenced to serve 15 years at Rampton psychiatric hospital.