The suspect in an explosives attack on Japanese Prime Minister Fumio Kishida during the weekend may have harbored a grudge after failing to qualify as a candidate for the upper house election last year, court documents showed Tuesday.Ryuji Kimura, 24, has remained silent after being arrested at the scene for throwing an explosive device at Kishida just before the prime minister was about to make a stump speech Saturday in the city of Wakayama, western Japan. Kishida was not injured.According to the records, Kimura filed a lawsuit with the Kobe District Court in June last year, seeking 100,0…READ FULL ARTICLE