Israel says it is determined to keep fighting in Gaza until the equation in the region has changed. Those were Foreign Minister Tzipi Livni's words on day 10 of the military operation in Gaza, as she received a European delegation calling for a ceasefire. But Israel will find itself under increasing pressure as the civilian death toll mounts. More than 560 Palestinians have died so far in the fighting, and the UN estimates that a quarter of them were civilians. ++++SYN+++++