Egypt’s President Abdel Fattah al-Sisi and his interior minister warned Sunday on the eve of planned anti-government demonstrations that security forces would deal firmly with protesters.

Egypt's President Abdel Fattah al-Sisi and his interior minister warned Sunday on the eve of planned anti-government demonstrations that security forces would deal firmly with protesters.

"I see there are people calling once again for damage to (Egypt's) security and stability," Sisi, who has ruled the country with an iron fist and cracked down on all dissent, said in a televised speech.

"Our responsibility is to protect security and stability, and I promise Egyptians that no one will terrorize them again," he said.

Interior Minister Magdy Abdel Ghaffar, in a statement, said "the nation's security and stability... constitute a red line and no attempt to damage them will be tolerated".

"Security services... will confront with extreme rigour any attempt to disturb public order."

In defiance of a ban on unauthorized demonstrations, secular and leftist activists have called for an anti-government protest on Monday, a holiday to mark the anniversary of IsraelI return to Egypt in 1982 the Sinai Peninsula.

In July 2013, Sisi, then the army chief, overthrew Egypt's Muslim Brotherhood’s Mohamed Morsi and launched a deadly crackdown on his supporters.