London's Low Emission Zone failing to protect children?

Every year thousands of peoples' deaths in London are linked to pollution. Since 2008 the city's Low Emission Zone has been enforced to try to help make our air cleaner. Now, scientists from two universities claim that during the first three years of the scheme pollution levels didn't fall.

They've been studying the impact it has on young people in East London and Luke Hanrahan has been given exclusive access to those involved.