The suspected Islamist Militants from Boko Haram group in the north-eastern Nigeria have attacked a school and shot some students.
Dozens of pupils are reported to have been killed.
Police said that all the dead were boys and some of the bodies “were burned to ashes”.
The attack took place in troubled Yobe State.
Resident of the town of Buni Yadi said the attackers struck at night slitting the throats of some students.
Teachers at the remote Federal Government College boarding School in Buni Yadi told the AP news agency that as many as 40 students had been killed in the assault which began early on Tuesday morning.