The act of one who murders or kills his own brother.

the employment of friendly weapons and munitions with the intent to kill the enemy or destroy his equipment or facilities, which results in unforeseen and unintentional death or injury to friendly personnel.

a person who murders their brother or sister

the act of murdering your own brother or sister

fire that injures or kills an ally

Fratricide (from the Latin word frater, meaning: "brother" and cide meaning to kill) is the act of a person killing his or her brother.