The Russian Foreign Ministry announced a ban on German broadcaster Deutsche Welle (DW) on Thursday, effectively ending the news organization’s work in Russia, closing its Moscow bureau and revoking the accreditation of its journalists. Deutsche Welle, which has had a broadcasting license in Russia since 2005, pledged to lodge a legal challenge and said it would continue its coverage undeterred. “The measures of the Russian authorities are in no way comprehensible and are a complete overreaction,” said Peter Limbourg, director general of the German taxpayer-funded broadcaster. Deutsche Welle is…