CAIRO, Jan. 25 (Xinhua) -- An explosion took place near a police building in Egypt's Suez province on Saturday, but no casualties were reported, official Al-Ahram news website reported.
After the explosion, security personnel chased militants using machine guns to attack the police camp, eyewitnesses were quoted as saying, adding that the assailants were hiding on the roof of a nearby school building.
Also in the day, at least five people were killed and 44 others injured during clashes between supporters of ousted Islamist president Mohamed Morsi and security forces across Egypt, Khaled al-Khatib, head of the Health Ministry's Emergency Central Administration, told Xinhua.
Amid tight security measures, thousands of Egyptians took to streets across the country on Saturday to mark the third anniversary of the Jan. 25 uprising that toppled ex-president Hosni Mubarak in 2011.
Meanwhile, the police fired tear gas and birdshots to disperse pro-Morsi protests led by the Muslim Brotherhood across the country. Several Brotherhood supporters were injured and dozens were arrested.
Earlier in the day, an explosion took place outside a police institute in the capital Cairo's Ain Shams district with no casualties reported.
On Friday, a string of explosions rocked Cairo, killing six people and wounding about 100 others, while nearly 15 others were killed in the clashes between security forces and pro-Morsi protesters nationwide.