There's mounting international condemnation of the jailing of three journalists in Egypt.

The men, who work for Al-Jazeera, have been charged with spreading false news and supporting the Muslim Brotherhood.

They've been sentenced to at least seven years each in a Cairo prison.

Their jailing has caused international outrage, with the British Prime Minister David Cameron and the Australian leader Tony Abbott amongst others, criticising the decision.

The Egyptian President Abdel Fattah al Sisi says he will not interfere in judicial rulings, which he says must be respected.

Juris Greste, the father of Australian man Peter Greste, is insisting that his son is innocent of the charges.

Journalists in London held a minutes silence outside the BBC Headquarters this morning, to protest at the jailing of the three men.

Here, the National Union of Journalists is calling on the Tanaiste and Foreign Affairs Minister Eamon Gilmore to make an immediate protest against what the NUJ describes as the scandalous treatment of the three Al-Jazeera journalists.

Our News Correspondent Fergal O'Brien reports: