Iran's U.N. envoy warned the country had the "right to take all necessary measures to respond to this egregious violation."

Israel is attempting a risky strategy, increasing the intensity of its attacks in an attempt to force Hezbollah to back down, while raising the chances of an aggressive response that devolves into a land war.

CAIRO — This week saw a dizzying escalation in the 11-month-old conflict between Israel and Lebanon’s Hezbollah. First came two days of exploding pagers and walkie-talkies used by Hezbollah — deadly attacks pinned on Israel that also maimed civilians around Lebanon.