Thursday January 25, 2018Miraa traders in Maua town last December. FILE PHOTO | NMG Several tonnes of miraa (khat) destined for Somalia are grounded in Nairobi as Kenya Civil Aviation Authority (KCAA) cracked down on passenger aircraft operating as cargo planes.Nyambene Miraa Traders Association (Nyamita) chairman Kimathi Munjuri said traders risk losing millions of shillings in the standoff.Mr Munjuri said more than 30 tonnes that were delivered at the Jomo Kenyatta International Airport on Wednesday evening were yet to be cleared for export by Thursday morning.