August 25, 2012 7:04 am Florida Keys Under Hurricane Warning As Tropical Storm Isaac emerges from Haiti, the National Hurricane Center issued new watches and warnings for parts of Florida Saturday morning. NBC 6’s meteorologist Ryan Phillips has the latest. US & World Videos 0:55 Toddler airlifted to hospital after shooting incident in Homestead 1:54 Video shows scene after driver hit, killed bicyclist while fleeing deputies in Pompano Beach 0:46 10 people shot outside Seminole County bar, teen arrested: Sheriff's Office 1:06 Two people robbed at gunpoint in Miami: Police 9:28 At least 17 people died in Florida after medics injected sedatives during encounters with police