Somali National Intelligence and Security Agency officers have detained dozens of people in Mogadishu hotel during raid on Monday morning.
The hotel was hosting an event to mark the 24th anniversary of the self-declared state of Somaliland which is set on 18th May.
It is not clear the number of people arrested in the operation by Somali security agencies.
There is ongoing celebrations across Somaliland today to commemorate when it declared self-independence from entire Somalia.
President Ahmed Mohamed Silanyo who is facing political pressure for term extension is among the leaders who addressed the people in Hargeisa.
Somaliland boycotted Turkish driven union talks in Istanbul on March citing its citizens among the delegates from Mogadishu.
Despite its self-independence ambitions Somaliland is internationally recognized as only autonomous region in Somalia.