The aircraft, registration 5Y-PKI, failed to take off from Kericho Golf Club, forcing the officials to travel by road.
A court in Addis Ababa ordered his release on bail, ambassador Catherine Mwangi says in protest note.
The country's total number of cases is now 26,928, including 423 deaths and 13,495 recoveries.
A political storm has followed the the Beirut blast that left over 160 dead.
“CS Kagwe needs to make up his mind whether he wants to be the boss of Afya House or Mafya,” she said.