Police at Wilson Airport are holding at least eight Members of Parliament from North Eastern Kenya.
The police are set to question the lawmakers over their secret mission to Somalia.
According to reports, the MPs flew to Mogadishu on Saturday and jetted back to the country on Sunday morning aboard a chartered plane.
they are said to have departed to Mogadishu aboard Salaamair Air Express Flight WU-751.
Sources disclosed that Kenyan detectives had information that the eight were making their way to Somalia, where they were allegedly hosted by the Somalia Intelligence Services.
Detectives will be keen on establishing the agenda of the meeting considering the current strained diplomatic relations between Kenya and Somalia.
The eight will also be questioned on the nature of the trip; whether it was private or official, in which case the Speaker of the National Assembly should have been informed.
Several vehicles belonging to the Serious Crimes and Anti-terror police units were spotted at the Wilson Airport where the eight are set to be questioned.