LIMA, Peru (AP) — LIMA, Peru — A bombing at a nightclub in Peru has injured 33 people, including minors, authorities said Saturday.

The explosion occurred in the pre-dawn hours at the Dali nightclub in the province of Trujillo along Peru’s norther coast, according to a statement from the local Emergency Operations Center.

It’s a region that has recently been plagued by violence and crime.

It wasn’t immediately clear who was responsible.

At least five of the injured are in serious condition, according to the executive director of the Trujillo Health Network, Gerardo Flori n G mez. Some of the victims suffered amputations and shrapnel wounds and are undergoing surgery, he told reporters. Among the injured are three minors: one 16-year-old and two 17-year-olds, Flori n said.

The explosion occurred less than a month after another blast in the same city that damaged 25 homes but caused no injuries or fatalities.