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The use of flashing lights and sirens is colloquially known as blues and twos, which refers to the blue lights and the two-tone siren once commonplace (although most sirens now use a range of tones). In the UK, only blue lights are used to denote emergency vehicles (although other colours may be used as sidelights, stop indicators, etc.).
Opinion: Why today’s emergency alert is dangerous for domestic abuse victims. Review announced into emergency alert system. 22:00, Martha Mchardy. A review will be conducted to find out why some ...
a "Red Man" light; no light when no train approaching; an alarm; In France, when a train is approaching, a red man is shown with the word STOP flashing in red (R25 signal). [110] When a footpath crosses a railway in the United Kingdom, there will most often be gates or stiles protecting the crossing from wildlife and livestock.
Before January 2020, the two tied-for-lowest points for the Doomsday Clock were in 1953 (when the Clock was set to two minutes until midnight, after the U.S. and the Soviet Union began testing hydrogen bombs) and in 2018, following the failure of world leaders to address tensions relating to nuclear weapons and climate change issues. In other ...
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The basic signal consists of flashing red lights, a crossbuck and an alarm (either a bell, a speaker that mimics a bell sound or an electronic siren), attached to a mast. At most crossings, the signals will activate about 30 seconds before the train arrives but there are sensors measuring speed so that the crossing knows when to activate; so ...
An assistant coroner said Anoush Summers' broken wrist alarm "probably contributed to her death".