Several people injured as Dusit hotel was on Tuesday afternoon attacked a source has told Jambo News Network.
Police operations were enhanced led by Israel and the Kenyan anti terror unit.
Most survivors were assisted out of the affected area by security personnel
The building houses various offices including the public Kenya revenue allocation, Dusit D2 among other offices and business in the river side building.
No fatalities have been reported yet, head of Criminal investigations department George Kinoti is at the scene as well as humanitarian organization the Kenya Red Cross Society Secretary general Abbas Gullet.
Police operations are still underway.
