The Lebanese have arrested a pro-Saudi shia cleric for spying for Israel. It seems that they have been monitoring him for some time before his arrest.
Here is a collection of the deeds of this cleric:
Lebanese Shiite Scholar Muhammad Ali Al-Husseini Criticizes Hizbullah for Threats against Israel
Mohamad Ali El Husseini/Lebanese Shi'ite Scholar Muhammad Ali Al-Husseini Slams Syria, Iran, Hizbullah
And his own page at Islamic counterterrorism.org