by Karine Ohanian in Stepanakert, Samira Ahmedbeyli in Baku and Seda Muradyan in Yerevan, IWPR, Armenia - As the dust begins to settle from a firefight between Azerbaijan and Armenian forces earlier this week, their respective politicians have reverted to verbal warfare as international mediators work to contain the damage to longer term prospects for peace. Accounts differ as to who fired first. But all agree it was the most serious breach of the ceasefire in a decade.