Police officers increased their patrols at Tokyo’s Haneda airport on Tuesday as Japan strengthens security ahead of a state funeral later this month for slain former Prime Minister Shinzo Abe. Accompanied by two dogs, around 60 officers, some carrying metal detectors, inspected trash cans, lockers and unattended carts at the airport’s Terminal 3, which is expected to be used by foreign delegations attending the Sept. 27 event in Tokyo. Police also distributed pamphlets to airport users asking for their cooperation in preventing terrorist attacks such as by reporting suspicious objects. The ins…