Thick blanket of fog in Pakistan's capital affects routine lifeFishermen spot boat with 20 corpses floating off the coast of northeastern Brazil, reports sayMali, Burkina and Niger announce their withdrawal from ECOWASInfographic: What is DavosRunway at Tokyo's Haneda Airport reopens after aircraft collisionIndia's Delhi, outskirts mandate StageGaza protester, 28, says she'll murder lawmakers at public meetingYemen's Houthis claim launching missile attacks at U.S. commercial vessels, navy warshipsIraq, U.S. resume dialogue on ending U.S.India's anti