on the 45th escape alcatraz triathlon tomorrow. i am dion lim. seo 6:00. breaking tonight as we come on the air. the catastrophic magnitude 7.2 earthquake in haiti. hundreds killed. more than 1,000 others injured. those numbers expected to climb. new dramatic video tonight of a woman and child being pulled from the rubble. rescuers desperately searching for more survivors. hospitals overwhelmed with wounded patients. the violent quake presenting a new crisis for a country already in political turmoil. many still haunted by the earthquake disaster of 2010. what we re learning tonight about the situation on the plus rob marciano standing by as tropical storm grace threatens to complicate the rescue efforts. also breaking as we come on the air, president biden announcing the u.s. is sending more troops into afghanistan to help evacuate american personnel and afghan visa applicants.