Many read the hash tag, #nowthatchersdead, as "now that Cher is dead" instead of the intended "now Thatcher is dead," the London Evening Standard reported.
Tweeters then mistakenly spread the news of Cher's death Monday and began paying tribute to the singer, who is still very much alive, the Evening Standard reported.
Comedian Ricky Gervais was one of the tweeters who attempted to stop the confusion.
"Some people are in a frenzy over the hash tag #nowthatchersdead. It's "Now Thatcher's dead". Not, "Now that Cher's dead," he tweeted.
Gervais' clarification was retweeted 6,000 times, the Evening Standard reported.
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