Chennai, July 27 (Reporter) Two more people, including an Advocate, were arrested in connection with the July 5 murder of Bahujan Samaj Party (BSP) Tamil Nadu Unit President K.Armstrong. With this a total of 18 people were arrested in connection with the case, a police release here said today. Those arrested included advocates and functionaries of the ruling DMK, AIADMK, BJP, Tamil Maanila Congress (TMC) and the son of a DMK functionary. It said the special teams formed to crack the case arrested advocate Siva (35) late on Thursday night. After detailed investigations, one more person Pradeep (28) was arrested late last night, the release said. Both the arrested suspects were produced before a court and remanded in judicial custody. Armstrong was hacked to death by a six-member gang in front of his Perambur house in Sembium in North Chennai on the night of July 5. Police said the murder was a sequel to the killing of History sheeter Arcot Suresh in the city in August last year. The police have arrested 11 people immediately after the murder, including the brother of Suresh. Three more -- a woman AIADMK functionary and advocate Malarkodi Sekar, who was immediately sacked from the party, Hariharan of TMC (also expelled from party) and Satish, who was the son of a DMK functionary--were arrested on July 19. The next day, police arrested a woman,Anjalai--expelled BJP Mahila Morcha functionary in North Chennai and followed it up with the arrest of AIADMK Kadambathur Panchayat Third Ward Councillor Haridharan, in Tiruvallur West district. With the arrest of Siva and Pradeep has taken the total number of arrests in the case to 18, police said...////...