Monk shields his eyes from tear gas as crackdown starts. Copyright Citizen Journalist, Sept 25, 2007. It turned out motor cycle was burned by junta instigators to "prove lawlessness." Anarchy and chaos are bogey men for the junta, and it has been using this method to justify crackdowns since it came into power after a coup in 1962.
See special "Brown Panel" on the Saffron Revolution, chaired by Prof. Sergio Pinheiro, on Oct 22, 2007 at Brown University.
Second quote from the same day: Andrew Lim, co-founder, Brown Chapter of the U.S. Campaign for Burma.
" I can understand pessimism (regarding Burma), but this is not the time to be pessimistic."