KARACHI - District West police on Monday arrested seven accused for their alleged involvement in street crimes, drug trafficking and motorcycle lifting.  According to the police sources, the accused were identified as Amir Hassan, Kamran, Bilal Hassan, Ismail, Amir Rafiq, Daniel and Abu Bakar. He said that illegal weapons, narcotics and stolen motorcycles were recovered from their possession.  The police registered cases against the accused and started investigation.