An Italian student, Giulio Regeni, 28, who went missing in Cairo was found dead on Thursday next to a road, with his body having signs of torture secuirty officials said.
The officials have said an investigation has been launched into the case and his body has been taken to a Cairo morgue.
He was found semi-naked at the start of the highway from Cairo to Alexandria.
"An investigation into signs of torture on the body is under way," said one of the security officials.
"He was found on the side of a road."
Regeni disappeared on Jan. 25, on the five-year anniversary ceremony of the uprising that ended Hosni Mubarak's 30-year rule.
In the run-up to the anniversary, police detained activists and warned people not to demonstrate. No significant protests took place.
He disappeared after leaving his home to meet with his friend in downtown Cairo, a friend of his said.
Giulio Regeni was a student. He spoke four languages and won several scholarships. He was researching trade unions in Egypt after the 2011 uprising that ended President Hosni Mubarak's 30-year rule.