The former President expressed solidarity with affected families and stressed the importance of collective action.
The former President was spotted at the TD Garden in Boston Celtics faced Miami Heat
She also urged the government to outline measures to sustain the progress achieved through the campaign beyond 2022.
Kenyatta is once again discussing the matter with Museveni, marking the second interaction within a fortnight.
Former President Uhuru Kenyatta's son, John Jomo Kenyatta, has withdrawn the case he filed against the government regarding the revocation of his firearm licence.
On Friday, retired President Uhuru Kenyatta joined members of the African Union (AU) for the Joint Committee Meeting of the Monitoring, Verification, and Compliance Mechanism (MVCM) held in Nairobi.