The soldier whose abduction sparked Israel’s invasion of Gaza is alive and in stable condition, a Palestinian official said Saturday, and President Mahmoud Abbas warned that the coming hours were “critical, sensitive and serious” for resolving the crisis. Israeli soldiers and Palestinian militants exchanged fire for several hours Saturday afternoon when Israeli tanks and bulldozers crossed the border with Gaza and began razing farmland east of the town of Khan Younis. Militants shot an anti-tank rocket at one of the vehicles. The army responded with gunfire and a missile launched from an unmanned plane. No major injuries were reported on either side. Full Story