A thick layer of smog enveloped Rashtrapati Bhavan, Samvidhan Sadan and Parliament House in New Delhi on Wednesday, as deteriorating air quality pushed pollution levels higher across the national capital. (PICS/PTI)

A suicide blast claimed by the Islamic State group (IS) at a Shiite mosque in Islamabad killed at least 31 people on Friday, with 169 more wounded in the deadliest attack in Pakistan`s capital since the 2008 Marriott hotel bombing. Pics/AFP