Ukraine air raid app apparently hacked as users receive false radiation threat, Air Force says

Hours later Russian authorities said its app was also hacked, with fake warnings sent inside the country.

A hazardous-material incident can affect air quality and require staying indoors with windows closed. Follow official instructions on whether to shelter or evacuate.

This report is based on information from BBC World, monitored by Alert USA's verified emergency feed.

Public-safety crews are in active response; air quality near the scene may be affected and local travel disruptions are likely while the area is secured.

Recommended steps: stay clear of the response area; close windows if smoke is in the air; follow official shelter-in-place or evacuation guidance; account for family and neighbors.

Alert USA is tracking this hazardous-materials incident and will update this report as verified information becomes available.

Verified by Alert USA • BBC WORLD