A 23-year-old man, identified as Afan, has been arrested for allegedly killing six people, including his 13-year-old brother, in Kerala. Police suspect that Afan was under the influence of drugs and have found evidence of drug use. The murders took place across three houses in the Venjaramoodu area near the state capital. Afan's mother, who survived the attack, is hospitalized. The victims also include Afan's grandmother, a young woman said to be his lover, his paternal uncle, and his uncle's wife. Police are investigating the motive behind the murders.