Thiruvananthapuram, May 29 -- Five people were arrested and 11 others were detained for questioning on Thursday in connection with the violent attack on vehicles used by Enforcement Directorate (ED) officials after raids at former chief minister Pinarayi Vijayan's residence in Kerala's Thiruvananthapuram, police said. They said most of those allegedly involved in Wednesday's violence were CPI(M) activists. Police said that among those taken into custody is CPI(M) local committee secretary and former Thiruvananthapuram municipal councillor IP Binu. "300 people have been booked in connection with the incident. The case has been registered at Museum police station under multiple sections of the BNS, including those dealing with unlawful assemb...