"Egypt assures that the invitation it sent to the Palestinian Authority and the Israeli government to send their two delegations to Cairo to study all issues of concern... within the framework of the Egyptian initiative is still in place," the Foreign Ministry said in a statement.
Egypt had invited the Palestinian Authority and Israel to send delegations to Cairo for truce talks after the both sides had agreed to 72-hour ceasefire in Gaza brokered by the US and UN.
Artillery shelling by Israeli in the southern Rafah area today killed about 70 people, taking the Palestinian death toll to 1,525, mostly civilians.
Israel and Hamas blamed each other for the collapse of the fragile ceasefire.
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"Egypt stresses that it is important for both sides to respect the ceasefire that they have agreed on, so the negotiations can take place in a favourable atmosphere and achieve the desired results," the foreign ministry had said in a statement earlier.
The ministry later called on Israel to "stop, immediately and completely, targeting civilians and using excessive and unjustified force".
Foreign Minister Sameh Shoukri held telephone talks with US Secretary of State John Kerry, Palestinian president Mahmud Abbas and several other Arab leaders to discuss the situation in Gaza.