On 19th August 1991, some senior leaders of the Soviet Union formed a "State Committee on the State Emergency." They prevented signing of the above-mentioned agreement on 20th August 1991. These leaders included Gorbachev’s vice president Gennadi Yanayev, prime minister Valentin Pavlov, defense minister Dmitriy Yazov, KGB chief Vladimir Kryuchkov, and many other senior officials. At that time Gorbachev was holidaying in Crimea). These officials put him under house arrest. They also issued orders banning all political activities and banned most newspapers.