VIDEO: Maryland train derails, causes explosion
Baltimore, Maryland (CNN) — A truck was involved in Tuesday's freight train derailment in Rosedale, Maryland, and a resulting hazardous-materials situation is prompting the evacuation of a half-mile area, according to a Baltimore County police official who declined to be named, citing department policy.
The official did not specify the type of truck or how it was involved.
One person is reported to be trapped inside.
Information will be updated as it becomes available.