Saudi and Israeli sources are sounding the alarm on stepped-up Iranian activity in Lebanon, according to Time:

Iran is smuggling weapons through Syria to re-arm Lebanese allies Hizballah, despite renewed efforts by United Nations peacekeepers and the Lebanese army to seal off the mountain borders with Syria in the wake of last summer's war between the Shi'ite militia and Israel, according to reports by Saudi and Israeli intelligence sources that have been confirmed by western diplomats in Beirut.

Israeli military officials in Tel Aviv say that Hizballah replenished nearly half of its pre-war stockpiles of short-range missiles and small arms. But western diplomats in Beirut say these calculations under-estimate the weapons flow and that Hizballah has now filled its war chest with over 20,000 short-range missiles -- a similar amount fo what they had at the start of the conflict, during which the group is believed to have fired over 3,000 rockets at Israel.