Afghan authorities were struggling on Wednesday to identify the group behind a suicide bomb attack that killed at least 55 people at a gathering of religious scholars in Kabul after the Taliban denied any responsibility.
Afghan President Ashraf Ghani condemned Monday's suicide bomb attack outside a peace tent gathering of Muslim clerics in Kabul and backed their fatwa against suicide attacks, saying they violated the tenets of Islam.
A double suicide bomb attack hit a police station in Syria's capital Damascus on Monday, state media said, with a monitor saying at least 11 people were killed.
A suicide bomb attack outside a government office in northwest Pakistan on Tuesday left at least one person dead and 17 injured, officials said.
Turkish police on Wednesday detained two Islamic State suspects accused of plotting a suicide bomb attack on New Year's Eve celebrations in the capital Ankara.