Egypt instructed all of its airlines to avoid Iranian airspace for three hours in the early morning on Thursday amid tension between Israel and Iran.
The NOTAM, a safety notice provided to pilots on Wednesday, said the instruction would be in effect from 0100 to 0400 GMT. It provided no further details as to why the notice was issued.
"All Egyptian carriers shall avoid overflying Tehran (Flight Information Region)," the notice said, referring to the three-hour period specified. "No flight plan will be accepted overflying such territory."
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