Under the cover of morning fog, some 10 gunmen staged a failed assault at the Karni cargo crossing into Gaza on Monday, in which horses laden with explosives were used, a security source told The Jerusalem Post. At least four terrorists and a number of their horses were killed in the ensuing exchange of fire with the IDF. No soldiers were wounded. "A very big terrorist attack was thwarted," the security source told the Post. "These terrorists were armed with a huge quantity of explosives. They launched a combined attack, using mortars, and attempted to approach the border fence with...