Complex sentence: The main Spanish party was ambushed at Sakalum in January 1624 and slaughtered; the Spanish Captain Francisco de Mirones and a Franciscan priest were sacrificed using the heart extraction method after being bound to the forked posts of the church.
Split into simpler sentences: The main Spanish party was ambushed at Sakalum in January 1624 and slaughtered. The Spanish Captain Francisco de Mirones and a Franciscan priest were sacrificed using the heart extraction method after being bound to the forked posts of the church.