He said the groups in the provinces risk being blocked by the authorities and that there should therefore come to Bangkok and join the rallies at the Lumpini Park or the Urupong Intersection on Thursday night.
The demonstrators should get ready to stay in Bangkok until the International Court of Justice delivers its ruling on the Preah Vihear temple dispute on November 11, Suriyasai said.
The groups remaining in the provinces should be ready to join a mass protest once the amnesty bill clears the third reading in the House, he said.
Suriyasai said his group had coordinated with other groups in all provinces to be on high alert and prepare for joining a mass rally in Bangkok.
Meanwhile, Sombat Boonngarmanong, the leader of the Red Sunday Group, said his group would hold a demonstration against the amnesty bill on November 10.
Sombat said he expected that more than 10,000 red shirts would join the protest.
He said his group would not join the Democrat’s rally because his group was campaigning against the bill with the goal of bringing the Democrats to justice for the bloody crackdowns in 2010.