page_title: 2006 transatlantic aircraft plot
section_title: Security reaction
hierarchical_section_title: 2006 transatlantic aircraft plot / Security reaction
caption_attribution_description: English: Heathrow Terminal 5A building exterior and apron view, looking towards runway 9R holding point - picture taken from car drop-off point
context_page_description: The 2006 transatlantic aircraft plot was a terrorist plot to detonate liquid explosives, carried on board airliners travelling from the United Kingdom to the United States and Canada, disguised as soft drinks. The plot was discovered by British police during an extensive surveillance operation. As a result of the plot, unprecedented security measures were initially put in place at airports. The measures were gradually relaxed in the following weeks, but passengers are still not allowed to carry liquid containers larger than 100 ml onto commercial aircraft in the UK and most other countries, as of 2020.
  Of 24 suspects who were arrested in and around London on the night of 9 August 2006, eight were initially tried for terrorism offences in connection with the plot. The first trial took place from April to September 2008. The jury failed to reach a verdict on charges of conspiracy to kill by blowing up aircraft but did find three men guilty of conspiracy to murder and acquitted one other of all charges.
context_section_description: In the immediate aftermath of the first arrests, passengers were forbidden from carrying any liquids, apart from baby milk, onto flights between the United States and the United Kingdom. Since passengers could purchase beverages after passing airport security checkpoints in some American airports, gate checkpoints were also introduced at such airports.
caption: London Heathrow Airport
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