Crowds are beginning to gather in Tahrir Square to protest against President Mursi's new powers. State television showed a number of protests outside mosques across the city.
Supporters of the president have been staging counter protests, but there are no reports of clashes.
More top news
Parts of the major A1 road have been shut after a sinkhole appeared overnight on Saturday.
After the sacking of Hilary Benn and the rolling resignations, Jeremy Corbyn met his closest aides in an office on the Parliamentary estate.
Fine for many tomorrow.