Detectives have located and cordoned off a building in Mucatha in Ruaka, Kiambu County where one of the terrorists lived for four months paying Sh40,000 in monthly rent.

In a raid conducted on Wednesday, police discovered a cavity in the house in which the attacker had kept several weapons.

The neighbours described the man as friendly though he was rarely in the house.

READ: Attack on DusitD2 in Nairobi's Riverside Drive: A timeline

One of the neighbours called the police after identifying the car that was abandoned near the dusitD2 gate which was used by the five terrorists who conducted the deadly attack.

Police say they have intensified the probe to uncover those who aided in the attack that has left 14 people dead.