Received anonymously by aboveground activists in Austria:

"At the end of March 2003, someone set fire to vehicles of the
Austrian National Circus in Klagenfurt, Austria. There have been 2 animal rights arsons before this fire, both connected to violent
attacks of circus staff on ar protestors. In this third fire, a caravan and a transport lorry were destroyed. The damage is said to be 40.000 Euro. "