TRAPPED BY BLAST: A gas explosion at an apartment in New York City left nine people hurt, including two children in critical condition. Authorities believe it was caused by an appliance. David Muir reports. https://abcn.ws/3dsazcK | ABC World News Tonight with David Muir

New details in that deadly house explosion in Pennsylvania that killed at least 5 people. Jaclyn Lee reports on what authorities are now saying about the cause. https://trib.al/zV4sSR2 | ABC World News Tonight with David Muir

MASSIVE FIRE: An explosion at a Chemtool chemical plant in Rockton, Illinois, resulted in a massive fire causing heavy smoke to cover the air in the area. About 70 employees were evacuated with one firefighter transported for minor injuries. According to authorities, the fire is expected to burn for several days as the oil-based product burns off. More tonight. https://abcn.ws/3pSlal4 | ABC World News Tonight with David Muir