Hundreds of people protested in Sudan on Friday against the deadly crackdown in Egypt that cost the lives of hundreds of supporters of president Mohamed Morsi.

An AFP reporter said about 500 people from various Islamic organisations rallied near Sudan's presidential palace, carrying pictures of Morsi and Egyptian flags.

"Al-Sisi: Israeli and USA agent," they shouted, referring to General Abdel Fattah al-Sisi, the army chief who orchestrated the 3 July ouster of Egypt's first elected president after millions protested to demand an end to his turbulent year in power.

Nearly 600 died on Wednesday when security forces moved to disperse two Cairo protest camps of Morsi's Muslim Brotherhood supporters, drawing global condemnation.

"Where is ICC?" the demonstrators in Khartoum shouted, referring to the Hague-based International Criminal Court.

The ICC has warrants out for Sudan's President Omar al-Bashir and other officials over alleged war crimes in Darfur.

Riot police monitored the demonstration but did not intervene, which they routinely do against other protests.

Among the demonstrators were members of the local Egyptian community as well as the government-linked Islamic Movement.

Morsi, a former Muslim Brotherhood leader, was elected in June last year after a popular uprising toppled long-time strongman Hosni Mubarak.

The Mubarak regime for years had strained relations with Khartoum.

Morsi in April this year visited Sudan, whose government calls itself Islamist, and which was jointly ruled by Egypt and Britain until 1956.