WORCESTER, Mass. (AP) – Police have arrested a 54-year-old Worcester resident on charges of illegal possession of military-style explosives and assault weapons.

Sgt. Kerry Hazelhurst said on Sunday that Paul Mateiko was arrested Saturday after firefighters responding to a medical emergency at his home noticed a large cache of unsecured weapons.

Police officers later recovered about 101 firearms, thousands of rounds of ammunition and 3/4 pounds of C4 explosives, blasting caps and other devices, including artillery simulators.

The state police bomb squad performed a controlled explosion of the volatile compounds at Green Hill Park early Sunday.

Mateiko is scheduled to be arraigned in court Monday on four counts of illegal possession of a machine gun and one count of illegal possession of an infernal device.

It was not immediately clear if he had legal representation.

Only subscribers are eligible to post comments. Please subscribe or to participate in the conversation. Here’s why.

Use the form below to reset your password. When you've submitted your account email, we will send an email with a reset code.