Ratna, I have never heard such a rubbish reason for the IDF not to pursue the action. The whole region is volatile, as you should know, and no one wants a war to start, certainly not now, and that goes for Arabs and Israelis alike!!
Palestinians, IDF clash in Jalazone after funeral of teen killed by IDF on Friday (Haaretz)
from the article: UNIFIL vows to ensure calm after four rockets strike Israel from Lebanon