Unanimously adopting resolution 1853 (2008), submitted by the United Kingdom under Chapter VII, the Council decided that the Monitoring Group established pursuant to resolution 1519 (2003) would continue the tasks outlined in paragraphs 3(a) to (c) of resolution 1844 (2008) -– which strengthened the arms embargo on the violence-plagued nation of Somalia by specifying sanctions on violators and expanding the mandate of the Committee that oversees the ban –- and carry out additionally the tasks outlined in paragraphs 23(a) to (c) of that resolution.