With TDP supremo N Chandrababu Naidus arrest in Dharmabad,Maharashtra,a party activist was declared dead here today. Fifty-five-year-old M Lakshmi Narayana,who was taking part in TDPs protest rally in Narasaraopet town,here today complained of chest pain and collapsed,according to TDP sources. He is survived by wife and two children. He was declared dead on reaching hospital,they said. In another tragic incident,TDP worker K Srinivas Rao (45) upset at the arrest of Naidu,allegedly committed suicide at Korugallu village,here yesterday,according to unofficial sources. While confirming suicide,police said the reasons for the death are under investigation.