(Portland, OR) -- A woman suffered life-threatening injuries from an assault Friday evening in Portland's Old Town. Firefighters responded to a call of an injured woman on a sidewalk on Naito Parkway, north of the Steel Bridge. Police say the woman was injured with a blunt instrument and the suspect left the scene. The woman was hospitalized with critical injuries. Police identified the suspect as 64-year-old Roberto Velasquez. He was arrested in a nearby apartment and will be charged with attempted murder.