Among the dead were four civilians and three police officers, while another eight civilians were wounded. Daesh has claimed responsibility for the attack in Kabul.
Mass casualties feared as at least eight explosions rocked three churches and four hotels, authorities said.
Over 200 people were killed and hundreds more injured in a series of explosions across Sri Lanka on Easter Sunday.
The decision resolves the question of what would happen after President Ashraf Ghani's term expires on May 22. The presidential elections were initially slated for April 20 but were delayed until July 20, then pushed back again until September 28.
Britain-based war monitor Syrian Observatory for Human Rights says over 60 Syrian regime fighters have been killed in 48 hours.
Some 2,000 Sikhs travelled to Pakistan from neighbouring India despite recent tensions between the two nuclear-armed rivals.
Militants carried out a deadly attack against Pakistani armed forces travelling in buses in Balochistan province. Pakistan's foreign minister Shah Mahmood Qureshi said the new separatist group had camps inside Iranian border areas.
Palestinian security sources in Hamas-ruled Gaza tell AFP that the Israeli fire hit Hamas military observation posts at three locations along the frontier. No reports of Palestinian casualties.
Event participants say basic human rights of Palestinian women living in the old city of Jerusalem are being undermined, including the freedom of worship and movement.
Protesters gathered in Bangladesh's Dhaka to demand justice for an 18-year-old woman who died after being set on fire for refusing to drop sexual harassment charges against her school principal.
The arrests were made on Monday as part of a counter-intelligence operation, a senior Turkish official said. One of the two men arrived in Turkey in October, days after journalist Jamal Khashoggi's murder inside Saudi Arabia's consulate in Istanbul.
Mustafa Sentop will address parliament speakers and lawmakers from neighbouring countries at a Baghdad summit that is expected to discuss regional issues.
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