Efforts to nab those behind the dastardly Dusit Hotel attack that claimed the lives of at least 21 people continue apace.
Security officers have descended on Isiolo and Marsabit counties in a bid to bring to justice the culprits.
Intelligence reports show that one of the terrorists who was involved in the Dusit attack hails from a village in Isiolo.
Salim Gichunge who was killed in an operation carried out by Kenyan officers is said to have frequently travelled to Garissa County.
The development is consistent with President Uhuru Kenyatta's statement that all those behind the attack will be pursued wherever they may be.
Kenya is involved in a military campaign aimed at neutralising the threat that Al-Shabaab poses to its security and returning a semblance of order to Somalia.
The terrorist group has called on Kenya to pull out of Somalia.