Ebola has once more reared its head in Liberia, where three new cases have emerged a matter of months after the country was declared free of the virus.<br /><br /> A ten-year-old boy living in the capital Monrovia is the first known case, according to Liberia’s Health Minister, Bernice Dahn. Two direct family members also later tested positive.<br /><br /> The epidemic has so far killed at least 11,300 people.