A 29-year-old male suspect has been arrested in Honolulu for a recent chemical attack on a 25-year-old Chinese woman. What happened: Danying Zhang was walking in the Ala Moana area on Tuesday night when Sebastian Mahkwan allegedly splashed an unknown chemical liquid on her at around 9:15 p.m. local time before fleeing the scene on foot. This resulted in Zhang’s skin and clothes being burned.