Investigation Underway into Londonderry Crash

An investigation continues into what caused a rollover crash on Interstate 93 in Londonderry.

Authorities say a van carrying hazardous materials was involved in the accident Tuesday near Exit Four of the highway.

One person was brought to a local hospital for treatment and a firefighter ended up getting hurt while trying to clean up the mess.

Anyone who saw the crash is asked to reach out to State Police.