Ho Chi Minh City police have dismantled an illegal operation producing and distributing arsenic trioxide (white arsenic), a highly toxic substance, for use in dental products. Shockingly, the poison was manufactured by hand in a residential bedroom before being sold to dental equipment suppliers. Three suspects arrested (from left to right): Vo Thi Thu Oanh, Tang Thi My Hoa, Tang Hoang Vinh. Photo: PoliceToxic dental products seized during the operation. Toxins made in bedroom labVarious arsenic-based products seized as evidence.

Source: VietNamNet News January 29, 2026 03:22 UTC