An RTI activist actively involved in exposing illegal slaughter houses was killed in Ahmedabad's Juhupura area today. Around 7.45 am on Saturday, unidentified people attacked Nadeem Sayeed with sharp weapons. He died on the spot. R Tana the police inspector at Vaijalpur, said, "He was out for his usual walk and was attacked by some people. We rushed him to a hospital but he died immediately. Investigations are on." Police officials add the Crime Branch, which is investigating the case, have already detained a few people.