Unidentified assailants attacked an anti-military protest near the defence ministry in Cairo Wednesday (May 2nd), killing 20 and injuring dozens of others, AFP reported.
The Egyptian army deployed troops to central Cairo to quell the clashes, which have now halted.
The protesters are demanding the end of the military council's rule.
Also on Wednesday, Egypt's military chief of staff Sami Enan said the army may transfer power to an elected president on May 24th if the election is decided in the first round.
The military had previously said it would transfer power by the end of June.