Reuters: Hungary declared a state of emergency in three counties on Tuesday, a day after a torrent of toxic red sludge from an alumina plant tore through nearby villages, killing four people and injuring 120. The waste, produced during bauxite refining, poured through Kolontar and two other villages on Monday after bursting out of a containment reservoir at the Ajkai Timfoldgyar Zrt plant, owned by MAL Zrt. On Tuesday, the Natural Disaster Unit (NDU) said four more villages were …