BBC Television and Radio presenter Stephen Nolan could be targeted in the Belfast flag protests by loyalists planning to stage a protest outside BBC offices.
Protesters have been using social media sites to organise a picket outside the Blackstaff studios while the Stephen Nolan television show is being filmed tonight.
They claim to be unhappy with some of the material that has been broadcast by the corporation.
Twenty-nine police officers were injured during sectarian riots between republicans and loyalists in east Belfast today.
The union flag will be raised at dawn over Belfast City Hall for the first time since the dispute began last month.
Police were attacked for a third night, with frontline officers reportedly coming under gunfire as new loyalist trouble erupted in Belfast.