Frankfurt / Main (dpa) - Thousands showed yesterday against the IAA in Frankfurt, today the next actions are planned. The alliance "Sand in the gears" from climate and environmentalists has announced that it intends to block access to the fair. Details did not mention the organizers. The police expect several hundred participants. Yesterday, 15,000 people demanded a rapid change in traffic and more climate protection at a rally in front of the exhibition center, police said.