MOGADISHU: A US-sanctioned oil tanker hijacked by Somali pirates last month has been rescued after being chased down and ambushed by maritime police, officials in the semi-autonomous Puntland region said on Friday. There has been a resurgence in Somali piracy since April, with at least 15 attacks this year, the highest since 2013, according to the International Maritime Organization. The Seamull tanker, also known as Sibu 1, is sanctioned by the US as part of Iran’s “shadow fleet,” accused of