Officials in Southern California say the risk of a catastrophic explosion from a damaged chemical tank at an aerospace plant has been eliminated after inspections and cooling actions overnight and into Tuesday. Multiple outlets report that authorities used overnight checks to assess the tank’s condition and conclude that the threat of a massive blast no longer exists. As a result, the evacuation situation eases: some residents are allowed to return home and most evacuation orders are lifted.

However, sources also stress that the area is not fully back to normal. PBS and NBC note that while the catastrophic explosion risk has been removed, officials still monitor for other hazards, including the possibility of a smaller explosion, a fire, or a chemical leak. The Washington Times and NBC add that a portion of residents remain evacuated even after the main explosion threat subsides, citing ongoing work to cool the damaged tank and continue safety measures.

Overall, authorities report progress toward resolution, with evacuation orders reduced but not entirely ended, and continued concerns focused on lower-level risks rather than a large blast.