A man threw firebombs at the headquarters of Japan's ruling Liberal Democratic Party and crashed a van into a barrier at the nearby prime minister's office in Tokyo on Saturday morning, police said.Following the incidents starting at 5:43 a.m., Atsunobu Usuda, a 49-year-old from Kawaguchi in Saitama Prefecture, near Tokyo, was arrested at the scene for obstructing police officers, according to an investigative source.The Metropolitan Police Department said three riot officers sustained minor throat injuries and a police vehicle was partially burned after the man threw around five objects at…READ FULL ARTICLE