Many onboard a crowded boat that sank off the coast of Bangladesh yesterday, which killed 15 women and children, were human trafficking victims being smuggled into Malaysia to become brides, international news agencies reported.Seventy of the estimated 130 refugees on board the 13-meter long fishing trawler were rescued, Bangladeshi officials said.Of the survivors, two are suspected traffickers who are being interrogated by the authorities, BBC Bengalireported.Among the Rohingya refugees on the boat were young women who were to be smuggled into Malaysia as brides, Cox’s Bazaar police superinte…