People in Liverpool have taken to social media to share their confusion after a loud "horn" was heard ringing out throughout the city.
Shortly after 2pm, Aaron Wilson took to Twitter questioning the noise, writing: "Okay so what was that incredibly loud horn heard in Liverpool? Seems to be multiple of them now? Plus massive water jets on the port of Liverpool building?"
The sound was part of a special maritime tribute to Queen Elizabeth II, who passed away last Thursday (September 8). Twenty ships gathered on the River Mersey in front of the Three Graces (Liver Building, Cunard Building and the Port of Liverpool Building) to blow their whistles in tribute to the late monarch.
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