AT least six Cameroonian soldiers were killed and four wounded during an attack by Islamist insurgents on an army outpost in the far north of the country, according to the state broadcaster CRTV. The attack is the deadliest in recent months in northern Cameroon, which alongside neighbouring Nigeria and Chad, has been battling the Boko Haram militant group for years and, more recently, militants linked to Islamic State. "Our outpost in Sagme was attacked this morning around 4 a.m. local time (0300 GMT) by a horde of assailants. There were six to seven vehicles and motorcycles and some were on…