Official says leader of 'sleeper cell,' another member killed in shootout with police.
U.S. fighter jets have twice intercepted military aircraft approaching coast.
Company sought waiver of sanctions to resume joint venture with Russian state-owned company.
U.S. defense secretary spoke at news conference in Tel Aviv, Israel today.
Attacker among three people killed, another person wounded.
American Jack Fisher making his first space flight with veteran cosmonaut Fyodor Yurchikhin.
Russia will hold a presidential election in March next year.
Victims of attack in northern Syria were exposed to sarin nerve gas or a similar banned toxin.
Dossier used to win approval to monitor Trump associate.
Navy says interception of Russian TU-95 bombers was ‘safe and professional.’