If you live with in the M25 and you or your family are involved in a life-threatening accident then London's Air Ambulance will bring a highly qualified doctor to treat you at the scene.
This week my husband Tom (a trauma doctor) and Neil, his heli-pilot friend, are running 8 marathons in 6 days in Jordan (it's 40 degrees) to raise money for this truely life-saving service funded by charity.
Take a look if you have time www.laajordanultra.com