Cairo’s busy subway system has been on high alert since a hoax bomb threat was made at a station several days ago, police said Saturday.

Egyptian state security prosecutors are questioning 35 men police accuse of plotting to overthrow the government and having contacts with al-Qaeda, a lawyer for the men and a security source said on Saturday.

Egypt sold $1.05 billion worth of a five-year bond payable in dollars but denominated in Egyptian pounds, lead managers said on Thursday.