As the UK braces for record temperatures how do disabled people cool down in a heatwave? Jo Southall talks about the "body armour" she wears to keep her core cool while Dr Katherine Fletcher says the UK's infrastructure needs to be improved to cope with rising temperatures. Tim Renkow, comedian and writer of BBC Three's Jerk, talks to us about his character who likes nothing better than winding up non-disabled people - big time. With Nikki Fox and Emma Tracey Produced by Beth Rose, Keiligh Baker and Emma Tracey Recorded and mixed by Dave O'Neill The editors were Damon Rose and Jonathan Aspinwall