The collapse of planned peace talks between India and Pakistan hours before they were to start on Sunday has raised questions about the arch-rivals' willingness to overcome mutual mistrust, built since their separation almost seven decades ago.
Britain reopened its embassy in Tehran on Sunday, a striking signal of how Western ties with Iran have thawed since protesters ransacked the ambassador's residence and burned the Union Jack nearly four years ago.
Ukrainian President Petro Poroshenko called on all political forces in the country on Sunday to rally behind his plans for constitutional change aimed at ending a separatist conflict in the east and defeating what he termed the "Russian aggressor".
Top aides to the leaders of North and South Korea resumed talks on Sunday after negotiating through the night in a bid to ease tensions involving an exchange of artillery fire that brought the peninsula to the brink of armed conflict.
