Kurdish fighters put up fierce resistance Tuesday to Turkish forces battling to seize a key town in northeastern Syria, as the violence forced international aid organisations to halt their activities.

Two Turkish soldiers were killed on Tuesday after shelling from the Manbij region, where Ankara's forces had clashed with Kurdish militants the night before, the defense ministry said in a statement. 

The U.N. Security Council will convene on Wednesday to discuss Turkey's military incursion in northeast Syria, diplomats said, with Ankara showing no sign of relenting in its assault on the Kurds.

Britain on Tuesday said it was suspending military exports to Turkey following its invasion of northern Syria as it carries out a review of arms sales to its NATO ally.

President Recep Tayyip Erdogan said Tuesday that Turkey's operation against Kurdish militants in northern Syria would not stop until "our objectives have been achieved".

Human Rights Watch warned European countries on Tuesday against transferring foreign jihadist suspects from prisons in war-torn northeastern Syria to Iraq.

The United States slapped sanctions on Turkey Monday as it demanded an end to the deadly incursion against Syrian Kurdish fighters, accusing its NATO partner of putting civilians at risk and allowing the release of Islamic State extremists.

Behind the landslide victory of conservative political outsider Kais Saied in a runoff presidential vote were millions of young voters, who describe him as a leader worthy of their trust as Tunisia's democracy takes root.

Turkey accused the European Union on Monday of protecting "terror elements" by criticizing its military offensive against Kurdish militants in Syria. 

The EU on Monday condemned Turkey's assault on Kurdish forces in northern Syria but stopped short of imposing the formal arms embargo some countries have urged.