Timing belt would much should I pay?

I had my timing belt replaced at 110000 miles on my 1999 Honda civic it failed at 130000 miles the work was done in 2010 it is now 2012 should I be charged for the repair I was told that the tensioner spring came loose and chewed up the belt

i had my timing belt replaced 20000 miles after having it replaced initially should I have to pay