SKOPJE, North Macedonia (AP) — Three children were killed and seven other members of the same family were seriously injured when a gas tank exploded in their home Sunday in northern Macedonia, authorities said.

Police said that the three children, ages 8, 9 and 11, died instantly when the gas tank exploded in the living room of a family house in the village of Romanovce. Firefighters later extinguished the blaze.

Health authorities said that the seven injured, including four women, one of whom is pregnant, and another child were brought to a clinic in the capital, Skopje, with serious burn injuries.

Health Minister Venko Filipce said three of the women, ranging in age from 40 to 45, were transferred to intensive care with severe burns and were in life-threatening condition.