“This is one of the most unusual and memorable operations I’ve been involved in,” Port of London Authority harbor master Lyn Kindlen said of the rescue

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A pod of 27 pilot whales became stranded in the Thames River, prompting a large-scale rescue operation on Sept. 19

Crews from multiple organizations worked for six hours to guide 25 whales back to sea, though two died amid the rescue operation

Experts say the Thames is not a suitable environment for whales due to shallow waters and lack of food

More than two dozen whales were rescued after getting lost and swimming into the Thames River.

Officials with the Port of London Authority…

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