Fox-news/politics/foreign-policy/nuclear-proliferation

• Iran crackdown rattles Middle East as analysts weigh US options short of military intervention - Trump threatens U.S. intervention if Iran violently suppresses ongoing protests, escalating tensions after last year's 12-day war between Israel and Iran.
• North Korea fires cruise missiles as Kim underscores nuclear ambitions - Kim Jong Un pledges 'unlimited' nuclear development as North Korea test-fires new cruise missiles designed to carry nuclear warheads in war preparations.
• North Korea releases images of development of nuclear-powered submarine - New photos show North Korea's apparent progress in the development of a nuclear-powered submarine as Kim Jong Un condemns South Korea's efforts.