What do carers and parents need to know about coping in the hot weather?

With the relentless hot weather, how do you care for the elderly and the very young? If you're a carer or a parent, what do you need to be looking out for and made more aware of? Jenni speaks to Emily Holzhausen, director of policy at Carers UK and Dr Sarah Jarvis, GP and clinical director of patient.co.uk.