Two cannabis-based medicines, used to treat epilepsy and multiple sclerosis, have been approved for use by the NHS in England.

But many want it to go further.

The medicines Matt Hughes's son needs for his severe epilepsy are not covered, meaning the family has to pay £1,500-a-month.

Watch the Victoria Derbyshire programme on BBC Two and BBC News Channel, 10:00 to 11:00 GMT - and see more of our stories here.