The African Union has suspended Sudan from all of its activities until the civilian-led transitional authority is restored.
It said Monday’s coup was unconstitutional.
Demonstrations against the military takeover are continuing for a third day in the capital Khartoum.
Trade unions representing doctors and oil workers say they are joining the protests.
Earlier the US Secretary of State, Antony Blinken, spoke on the phone to the deposed prime minister, following his return home.
Abdalla Hamdok was arrested during the coup.
Mr Blinken again urged the armed forces to free civilian leaders.
European Union diplomats in Sudan want to meet deposed Prime Minister Abdalla Hamdok, whom they recognise as the “constitutional leader of the transitional government”.
Mr Hamdok returned to his home with his wife on Tuesday evening, a day after the military detained him and some cabinet ministers following a coup.
He is said to be under heavy security in his home in the capital, Khartoum, according to news agencies.
In a statement the EU said “it is paramount for the ambassadors based in Khartoum to be able to communicate with the prime minister”.
It also called for the release of all political detainees and unfettered humanitarian access throughout the country.
Source: BBC
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