When police detained an Indonesian teenager accused of bombing his high-school campus in Jakarta in November, he had a life-size toy rifle inscribed with "welcome to hell" and the names of white supremacist mass killers. The November 7 attack, which injured 96 people, may have been the first in the country inspired by white supremacists but police fear it won't be the last. At least 97 youths - the youngest just 11 - are being monitored after coming under ?the influence of content glorifying mass violence and white supremacists spread largely on messaging app Telegram, Indonesian police told Reuters in...