us. i m errol barnett. i m rose row. we are at the half-hour mark. it is time to check the top stories this hour. singapore is observing a week of mourning in honor of founding father lee kuan yew. the former prime minister died monday morning at the age of 91. in his 30 years as singapore s leader he guided the city/state into a vibrant national power. the security council warned yemen is on the edge of civil war. government officials say houthi rebels swept through yemen s cultural capital and set up security checkpoints there. they say one person was killed and 82 wounded when rebels fired at protesters. u.s. senate republican ted cruz announced he s running for president in 2016. cruz tweeted the news early monday morning and will make his in-person declaration in virginia later in the day.