Egypt's main opposition coalition has rejected the Islamist president's call for dialogue to resolve the country's political crisis, unless their conditions are met.
Monday's announcement was made by reform leader Mohammed ElBaradei and other top figures in the National Salvation Front.
ElBaradei said President Mohammed Morsi must first appoint a national unity government and name a commission to amend the disputed constitution ratified last month.
"The dialogue to which the president invited us is to do with form and not content," said ElBaradei, Nobel Peace laureate. "We support any dialogue if it has a clear agenda that can shepherd the nation to the shores of safety."
The opposition's stand is likely to fuel the political crisis roiling the nation.
Meanwhile, Health and security officials say a protester has been killed in clashes between rock-throwing demonstrators and police near Tahrir Square in central Cairo.
The officials say the protester died Monday on the way to the hospital after being shot. It is the first fatality in Cairo since clashes erupted around Friday's second anniversary of the uprising that toppled Hosni Mubarak.
The death takes to at least 56 the number of people killed in Egypt's latest bout of political turmoil.
It also comes one day after the country's Islamist president declared a state of emergency in three provinces worst hit by the violence and vowed to deal "firmly and forcefully" with the unrest roiling the country.
The officials spoke on condition of anonymity because they weren't authorized to brief the media.