Tokyo, April 6 Senior figures from several Japanese opposition parties joined thousands of citizens outside the bustling Ikebukuro station in Tokyo to protest the government's dangerous push to ease restrictions on arms exports and advance sweeping military expansion, voicing concern about the country's future path.More than 6,000 people attended the protest on Sunday evening, according to organisers. Demonstrators held signs reading "Military force cannot bring peace" and "Takaichi step down," while chanting slogans including "Oppose war" and "Defend peace," in opposition to what they described as a shift in the government's security policy.Japanese media have previously reported that the Takaichi…