A burst water main flooded roads in the central terminal area of London's Heathrow Airport on Saturday morning, blocking vehicle access to Terminals 2 and 3 and forcing passengers to rely on rail and tube services instead. Car park access was also disrupted, leaving some travellers unable to reach their vehicles. The airport confirmed all roads have since reopened and operations are back to normal, though the incident caused significant inconvenience during the school holiday period — one of Heathrow's busiest times of year.