COSTELLO: Checking some top stories for you at 58 minutes past: North Korea's claim to have tested a hydrogen bomb was at heart of a tense meeting today between Secretary of State John Kerry and Chinese leaders. The U.S. wants China to back tougher U.N. sanctions against North Korea and use its own influence to dissuade North Korea from pursuing nuclear weapons. Kerry emphasized it is in North Korea's best interest to change course.</s>JOHN KERRY, U.S. SECRETARY OF STATE: If Pyongyang will instead choose a different path, it can open the door to sanctions relief, economic cooperation, energy and food aid, more direct humanitarian assistance and a whole range of other possibilities.</s>COSTELLO: Kerry also repeated that the U.S. will never accept North Korea as a nuclear state. A massive building fire in New Orleans has shut down part of the French Quarter. The four-story building on Canal Street set off alarms at a neighboring hotel. One witness says flames were shooting 40 feet into the air. An elementary school principal is being remembered for a selfless act that took her life but saved her students. Susan Jordan was killed after being struck by a school bus outside of her school on Tuesday. The bus driver says Jordan was hit after pushing several students out of the way. Jordan had been the school's principal for 22 years. President Obama calling for speedy research to stop the spread of the mosquito-born Zika virus in the United States as new cases are reported in southern California and in Arkansas. The infection, which typically has no symptoms, appears to be been linked to a recent spike of serious birth defects in Brazil. Thank you so much for joining me today. I'm Carol Costello. "AT THIS HOUR" with Berman and Bolduan starts now.</s>PAMELA BROWN, CNN HOST: Hello. I'm Pamela Brown. Great to have you along with us today. And we begin with another stunner from Donald --
Kerry Presses China on North Korea; New Zika Virus Cases in the U.S.A.