a dairy, and Yalta Film Studio. Russian media have noted this trend as "returning to the 90's," which is perceived as a period of anarchy and rule of gangs in Russia. After 2014 the Russian government invested heavily in the peninsula's infrastructure—repairing roads, modernizing hospitals and building the Crimean Bridge that links the peninsula to the Russian mainland. Development of new sources of water was undertaken, with huge difficulties, to replace closed Ukrainian sources. In 2015, the Investigative Committee of Russia announced a number of theft and corruption cases in infrastructure projects in Crimea, for example; spending that exceeded the actual accounted costs by a factor of three. A number of Russian officials were also arrested for corruption, including head of federal tax inspection. (According to February 2016 official Ukrainian figures) after Russia's annexation 10% of Security Service of Ukraine personnel left Crimea; accompanied by 6,000 of the pre-annexation 20,300 people strong Ukrainian army. As result of the disputed political status of Crimea, Russian mobile operators never expanded their operations into Crimea and all mobile services are offered on the basis of "internal roaming," which caused significant controversy inside Russia. Telecoms however argued that expanding coverage to Crimea will put them at risk of Western sanctions and, as result, they will lose access to key equipment and software, none of which is produced locally. The first five years of Crimean occupation cost Russia over $20 billion, roughly equal to two years of Russia's entire education budget. Human rights situation According to the United Nations and multiple NGOs, Russia is responsible for multiple human rights abuses, including torture, arbitrary detention, forced disappearances and instances of discrimination, including persecution of Crimean Tatars in Crimea since the illegal annexation. The UN Human Rights Office has documented multiple human rights violations in Crimea. Noting that minority Crimean Tatars have been disproportionately affected. In December 2016, the UN General Assembly voted on a resolution on human rights in occupied Crimea. It called on the Russian Federation "to take all measures necessary to bring an immediate end to all abuses against residents of Crimea, in particular reported discriminatory measures and practices, arbitrary detentions, torture and other cruel, inhumane or degrading treatment, and to revoke all discriminatory legislation". It also urged Russia to "immediately release Ukrainian citizens who were unlawfully detained and judged without regard for elementary standards of justice". In March 2014, Human Rights Watch reported