A prosecutor referred the Sharm el-Sheikh policeman to trial for allegedly entering the hotel room of a Russian tourist and attempting to rape her, the official MENA news agency reported.
In separate case, a British woman has complained that she was raped by an employee of her Sharm el-Sheikh hotel, tourism officials said.
Hundreds of thousands of foreign holidaymakers visit Egypt's Red Sea resorts each year, bringing desperately needed revenue to a sector battered by political upheaval since the Arab Spring uprising of 2011.
She said the ministry also withdrew the operating licence of a second hotel where a sexual assault had been reported.
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A receptionist at the Hilton Sharks Bay Resort told AFP no public relations official was available to handle press inquiries but added that the hotel was functioning normally.
"We can say there has been a complaint and it is being investigated," he said.
"The hotel is working normally. So far nothing has reached us," he added, referring to the tourism ministry's decision.