PRAGUE -- Slovak authorities have broken a Russian spying network that was operating on Slovak territory, officials said on Tuesday. Stefan Hamran, the country’s chief police officer said four Slovak nationals have been detained in the case with two of them facing spying and bribery charges... “We’re talking about serious cases,” Lipsic said. “It’s about a long term, paid cooperation with the Russian military intelligence service" (known as GRU). The two are accused of seeking out and gathering highly sensitive, strategic and classified information about Slovakia, its armed forces and NATO and handed them over to undercover GRU officers who...