Egypt: Morsi's family threaten legal action against 'criminal' army chief The family of the ousted Egyptian president Mohamed Morsi has branded the army chief who ordered his detention an international criminal, and announced plans to take legal action against him in the international courts. Morsi has been detained since 3 July when the head of Egypt's armed forces, General Abdel Fatah al-Sisi, ordered his removal from power following days of mass protests against his year-long presidency. Osama Morsi, the ex-president's oldest son, told a news conference, flanked by his brother Abdulla and sister Shaimaa: What is happening to President Morsi is a violation of his rights by all measures. One man was killed and 15 people were injured in an attack on a protest by hundreds of supporters Morsi near Cairo University early on Tuesday morning, an Egyptian website said. Al-Ahram Online said police fired tear gas to quell the violence and several cars in the area were destroyed or set on fire. The Muslim Brotherhood said on the Facebook page of its Freedom and Justice Party (FJP) that five were killed in Tuesday's clashes. One person was killed and around 20 were injured on Monday in clashes between Morsi supporters and opponents in central Cairo. Around 100 have been killed since the army overthrew Morsi. The top US military officer warned senators on Monday that taking military action to stop the bloodshed in Syria was likely to escalate quickly and result in "unintended consequences," representing the most explicit uniformed opposition to deeper involvement in another war in the Middle East. Alluding to the costly, bloody occupations of Iraq and Afghanistan, General Martin Dempsey, chairman of the joint chiefs of staff, said that once the US got involved militarily in the Syrian civil war, which the UN estimates to have killed about 93,000 people, "deeper involvement is hard to avoid." Dempsey wrote to senators John McCain and Carl Levin: We have learned from the past 10 years, however, that it is not enough to simply alter the balance of military power without careful consideration of what is necessary in order to preserve a functioning state. We must anticipate and be prepared for the unintended consequences of our action. Concerns are particularly focused on Homs, Syria's third city, which western observers believe is likely to fall to the regime military andHezbollah by the end of the summer, in what would be the most striking gain yet by resurgent pro-Assad forces during the civil war. Lebanon There was condemnation from Beirut, where the caretaker government had described Hezbollah as "an essential component of Lebanese society." Israel and the Palestinian territories Mahmoud Abbas, said: "Any agreement reached with the Israelis will be brought to a referendum."