Security operatives and men from the Federal Capital Territory Police Command on Thursday sealed the National Secretariat of the All Progressives Congress.
According to The Punch, two patrol vehicles were packed strategically in front of the main entrance.
The police had on Tuesday sealed the APC national Secretariat over the crisis in the party.
Giadom in a counter move, together with two other NWC members, addressed a press conference on June 17, when he declared himself as the acting chairman.
He backed his action with the judgment of the FCT High court, which in March gave him the go-ahead to be the acting national chairman.
Despite his suspension by two Port Harcourt courts and his replacement as the deputy national secretary, Giadom on Tuesday issued a notice of the APC NEC meeting, which would hold today (Thursday).