Detectives have arrested a Kenya Defence Forces (KDF) soldier, a former soldier and three other men suspected to be selling explosives in Lang’ata.
During the operation, police recovered explosives which were taken for analysis.
Mr Francis Otieno Oluoch based at Kabete Barracks, former soldier Robert Osano and Mr Nathaniel Kiprono, a security guard at Athi River Mining were arrested on Sunday in Otiende estate by detectives who were posing as buyers.
Police also arrested Mr Johnson Nyarang Omayio and Mr Simon Muturi Gichuki, both residents of Kitengela and Waithaka respectively.
The night operation involved a joint team of detectives drawn from the National Intelligence Service (NIS), KWS and detectives from the Bomb Disposal Unit at the Directorate of Criminal Investigations (DCI) headquarters.
Investigations have been launched to establish the source of the explosives and also to arrest other suspects.
The soldier based at Kabete had left the service but later re-joined as a Constabulary.