Andrew Marr learns to evade kidnap and crash cars

Security expert Tom Cseh gives Andrew Marr a lesson in evasive driving - a popular skill to have in Mexico City where the middle classes are concerned about being hijacked on the road and taken hostage.

Andrew Marr's Megacities looking at life in London, Dhaka, Tokyo, Mexico City and Shanghai continues in Cities on the Edge cn BBC One at 2000 BST on Thursday 9 June 2011 and afterwards via BBC iPlayer (UK only).