Small ceremony, attended only by family, prime minister and senior officials, is held days after former leader gunned down

Governing coalition sets sights on amending Japan's pacifist constitution to strengthen military, faces uphill battle to convince moderate partners to support changes

Japanese media predicts governing parties on track to win majority of seats in upper house of parliament, in vote overshadowed by killing of Shinzo Abe

Voters to cast their ballots Sunday in an upper house election, just two days after shocking killing