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

Large swathes of the United States continue to reel under an intense cold wave, with freezing conditions expected to hold firm well into the coming week, according to weather reports. (Pics/AFP)