Saturday, May 13
--HUPD officers responded to a noise complaint outside a semi-secret Sorrento Square social organization that used to occasionally publish a so-called humor magazine at 5:49 p.m.
--A mixture of nitric acid and alcohol was spilled in a sink at a Harvard Medical School building, causing a cloud to form in the room. The building was evacuated and an outside contractor was called in to clean the spill.