Seven people were killed and 261 wounded in overnight clashes in Cairo between supporters of ousted Islamist president Mohamed Morsi and security forces, health officials said on Tuesday. Two people died in clashes around the central Ramses area near Tahrir Square, while another five were killed in Giza, emergency services chief Mohammed Sultan told AFP, adding that security force personnel were among the injured. Health ministry official Khaled al-Khatib gave the same toll, cited by the official MENA news agency.