For example, in order to get passengers to the new terminal, the Heathrow Express line needed to be extended, and a link built to the nearby M25 motorway.

BBC: NEWS | UK | Mammoth Heathrow project fuels pride

Train operators including Virgin Trains and East Coast - which link London and Scotland - Arriva Trains Wales, Cross Country, First TransPennine Express, Northern and Scotrail were all reporting disruption.

BBC: Snow and ice leads to travel delays and school closures

In October the French magazine L'Express carried a sensational account of the case, producing documentary evidence and testimony it claimed proved a link to Hun Sen himself.

CNN: Seeking Justice