Shortly after, nearly all cabin baggage was banned on flights, excluding passports and wallets. The rules later relaxed, but the ban on liquids remained. Liquids in hand luggage were limited to 100ml and all had to fit into a clear plastic bag no larger than 20cm by 20cm.
Article source: https://www.huffingtonpost.co.uk/entry/airport-100ml-liquid-limit-phase-out_uk_637f2bb4e4b0e4c7758f9f10