5 Things to Know This Morning

Aug. 28, 2013— -- Your look at the five biggest and most buzz-worthy stories of the morning.

1. UN Envoy to Syria Says Chemical 'Substance' Used

U.N. envoy to Syria says evidence suggests some chemical "substance" was used, killing hundreds.

2. Syrian Electronic Army Claims Cyber Attacks

A Twitter account allegedly belonging to the Syrian Electronic Army, a pro-Syrian-regime hacker collective, claimed to have taken over The New York Times website yesterday, as well as the Huffington Post UK's website and Twitter.com.

3. Zimmerman Will Ask Fla. to Reimburse Trial Costs

George Zimmerman wants the state of Florida to reimburse him for the costs of mounting his defense in the Trayvon Martin shooting case. Zimmerman's attorney Mark O'Mara plans to file a motion to recoup as much as $300,000 in legal costs.

4. Texas Church Tied to Measles Outbreak Preaching Vaccinations

Eagle Mountain International Church, the Texas mega-church at the epicenter of a measles outbreak, is preaching immunizations for its congregants despite previous statements by its founder that vaccines may cause autism.

5. Douglas, Zeta-Jones Separating: Report

Michael Douglas and Catherine Zeta-Jones are separating after 13 years of marriage, according to People magazine.