Gunshots have been fired in the Philippine senate, as a senator who is wanted by the international criminal court (ICC) remained holed up in the building to evade arrest. Ronald dela Rosa, a Philippine senator accused of crimes against humanity for his role in overseeing the former president Rodrigo Duterte’s “war on drugs”, has spent two nights in the country’s senate in a standoff with the authorities. Dela Rosa, 64, who was the chief enforcer of Duterte’s merciless anti-drugs crackdown, dramatically evaded arrest on Monday when he outran government agents who chased him through the senate’s hallways and staircases. He managed to reach the building chamber, where the senate president, an ally of Duterte, offered him protective custody. Duterte was arrested last year in Manila and sent to the ICC, where he faces charges of crimes against humanity over the crackdowns, in which thousands were killed. Late on Wednesday, military personnel arrived inside the senate building, some carrying assault rifles.…