Kenyans are still divided on the veracity of the claims, with the police taking the matter seriously with even bomb experts visiting the scene.
The police divulged that there were three attackers who robbed construction workers at gunpoint before detonating explosives at the building.
But while the legitimacy of Mr. Mwangi's allegation might be up in the air, his close friend, former Chief Justice, Willy Mutunga has sprung into action.
Mr. Mutunga has decided to rally Kenyans to contribute and help the political activist rebuild his home.
Woman arrested after wheeling dead uncle into a bank to sign a loan