SANTIAGO, Philippines (AP) — Philippine officials say four people aboard a light plane died after their aircraft crashed while on a cloud-seeding flight over farmlands that have been scorched by the intense summer heat in the country’s north.

Police say the plane crashed Sunday in a cornfield in a mountain village in Bagabag town in Nueva Vizcaya province, killing a woman and three men on board.

Capt. John Andrews, deputy chief of the Civil Aviation Authority of the Philippines, said an investigation was underway to determine the cause of the crash in mountainous Nueva Vizcaya, which is about 200 kilometers (124 miles) north of Manila.

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