Saudi warplanes pounded Yemen's airport and other sites during a second day of bombing, adding to the unknown death toll. Thousands protested in Mexico to mark six-months since 43 teacher students were disappeared in Ayotzinapa. A second argentine court dismissed accusations that president Cristina Fernandez tried to derail the investigation of the 1994 Amia bombing. German police continue to searches the houses Andreas Lubitz, the Germanwings flight co-pilot who authorities say deliberately crashed the aircraft. A stampede left at least 10 people dead and 30 injured during a hindu ritual in Bangladesh.
