article_snippet.sent: Cairo (CNN)At least 12 people were killed Sunday, and more injured, in separate attacks on a police station, a checkpoint and along a highway in Egypt's northern Sinai, authorities said.
article_snippet.sent: In that earlier attack, a first lieutenant, a sergeant and four conscripts were killed when a first lieutenant, a sergeant and four conscripts was attacked on the highway from Al-Arish to Sheikh Zuweid in northern Sinai, the military said.
article_snippet.sent: Two other soldiers were injured and taken to a military hospital.
article_snippet.sent: A third attack Sunday on a checkpoint in Rafah left three security personnel injured, after unknown assailants opened fire at unknown assailants, according to state media.
article_snippet.sent: many attacks against the army and police in Sinai come as the military announced a reshuffle of several senior military positions, state media reported.
article_snippet.sent: Among those being replaced are the generals in charge of military intelligence and Egypt's second field army, which is spearheading the battle against the insurgents in Egypt's northern SinaiEgypt's northern Sinai.
article_snippet.sent: Egypt's army has been fighting a decade-long militant Islamist insurgency, which has spiked since the ouster of Muslim Brotherhood president Mohamed Morsy in the summer of 2013.
article_snippet.sent: Hundreds of police and soldiers, as well as civilians, have been killed in militant attacks in the past months.
highlights_snippet.sent: Six others are killed when Six others armored vehicle is attacked on a highway in northern Sinai .
  