//Mayor: Madrid blast kills 2; apparently linked to gas leak

Mayor: Madrid blast kills 2; apparently linked to gas leak

A loud explosion apparently caused by a gas leak has partially destroyed a residential building in the center of Spain’s capital on Wednesday, killing two people and injuring at least two more, according to officials.The first images and footage shared on social media showed a tower of smoke coming out from the six-story building and rubble scattered in Toledo Street, near the city center. Emergency