Air travel

Following the row over lengthy immigration queues, terminals at Heathrow and Gatwick come under fire for their use of searches at borders, with practices at one branded "discriminatory".

US officials say the discovery of a plot involving an improved "underwear bomb" shows militants are determined to build bombs that can pass through airport security.

America foils a plot by al-Qaeda in Yemen to detonate an upgraded version of the failed 2009 "underwear bomb", according to US officials.

MoD tells 700 residents near Olympic site they will be safer with missiles on top of their east London building.

Pakistani minister blames airline for buying a 30-year-old "rickshaw" to fly passengers to their death but airline boss says heavy winds caused crash.

Airlines are warning that Britain "'risks gridlock" at airports over the Easter weekend as a result of border staff shortages.

The flare on the Elgin gas platform in the North Sea is still burning, its operator Total confirmed to Channel 4 News, increasing the likelihood that the gas leak may ignite.

How will the UK keep the lights on over the next 50 years, at the same time as meeting renewables targets? Jim Skea, research director at the UK Energy Research Centre, looks at the options.

All Airbus A380 planes will be checked for wing cracks, after engineers found dozens of cracks on a flagship Qantas plane which has now been grounded for a week.

With hundreds of flights cancelled at Heathrow because of the freezing weather, Channel 4 News looks at whether a solution is possible.