This was the same accusation given by the former southern leaders which eventually led to the 1994 civil war.
An official spokesman in the northern capital Sanaa described it as "nothing new" and repeated demands for the surrender of southern leaders.
They repeated demands made at the beginning of the conflict for southern leaders to surrender.
Civil war erupted in Yemen on May 5 after months of tension between rival northern and southern leaders.
But southern leaders have argued that unity was a failure, as shown by the war.
How long before southern European leaders start routinely blaming "the Germans" for domestic woes?
Reports in early September said that the government had also urged southern tribal leaders to take up arms against Shia dissidents.
On the right side of the briefing center sat the southern hemispheric leaders.
Other resistance quickly collapsed and thousands of southern leaders and military went into exile.
So did various southern leaders in organized labor.