By Krisztina Than BUDAPEST (Reuters) -Hungary will not send any weapons to Ukraine and will stay out of the war, Prime Minister Viktor Orban told a rally of his supporters on Tuesday, accusing the opposition of trying to drag Hungary into the conflict on its eastern border. The conservative nationalist leader has a tight race for election to a fourth consecutive term on April 3 because for the first time since 2010 his right-wing Fidesz party will face a united front of six opposition parties. Orban’s path to re-election is complicated by Russia’s invasion of Ukraine, which has put his decade-…