Egypt said it was expelling Turkey`s ambassador and accused Ankara of backing organisations bent on undermining the country.
Egypt`s Muslim Brotherhood lashed out at US Secretary of State John Kerry for saying the Islamist group "stole" the 2011 popular uprising that toppled autocrat Hosni Mubarak.
The UN Security Council has called on the Egyptian government and the Muslim Brotherhood to exercise "maximum restraint".
Canada has shuttered its embassy in Egypt, citing concerns about staff safety amid growing unrest in Cairo.
Coptic Christians make up between six and ten percent of Egypt`s population and their community has been the target of sectarian violence in the past.
The United States warned its citizens not to travel to Egypt and called on those already there to leave.
Deeply polarised Egypt braced for renewed confrontation after the Muslim Brotherhood called for a nationwide march of millions to show anger.
Egypt`s President suggested US President Barack Obama`s condemnation of a deadly crackdown on Islamists may "encourage violent armed groups".
US Congressmen John McCain and Lindsey Graham used the term `coup` to refer to the ouster of Islamist leader Mohamed Morsi.
The US and the EU have expressed concern over dangerous stalemate in Egypt, as the country`s interim president announced foreign mediation efforts have failed.
The chances for a negotiated end to Egypt`s political crisis looked to have hit the rocks.
UN Secretary General Ban Ki-moon appealed anew for the release of deposed Egyptian president Mohamed Morsi, in a telephone call with Egypt`s foreign minister.
Defiant supporters of Egypt`s deposed president Mohammed Morsi vowed fresh protests against his ouster, raising fears of renewed violence.
Egypt`s Army-backed government urged supporters of deposed president Mohamed Morsi to abandon their Cairo protest camps.
Germany urged Egypt to avoid "the appearance of selective justice" amid a crackdown on deposed President Mohamed Morsi`s Muslim Brotherhood.
Thousands of supporters of the Islamist Mohamed Mursi and his Muslim Brotherhood have been staging sit-ins at two locations in the Egyptian capital.
EU foreign policy chief Catherine Ashton met Egypt`s ousted Islamist President, saying he was "well".
Egypt`s ousted President Mohamed Morsi is well, EU foreign policy chief Catherine Ashton said after meeting him at an undisclosed location.
At least 11 people were killed and over 80 injured in deadly clashes across Egypt between supporters and opponents of ousted president Mohamed Morsi as pressure grew on the country`s new leadership to release the Islamist leader.
The US Secretary of State has reportedly suggested that Egypt may have dodged a potential civil war by ousting President Mohammed Morsi.
President Barack Obama's speech at Siri Fort auditorium
Day in Pics: 27th January
Showbiz World - January 27, 2015