I believe you will find that Askenazi had stated that the IDF would use snipers to clear the decks so that the IDF soldiers would have a "clear deck" fast-rope down onto i.e. he is suggesting the use of snipers BEFORE your scenario even has a chance to occur.
Thousands protest outlawing of Islamic Movement in Umm al-Fahm in northern Israel (Haaretz)
from the article: The chief of staff threatens
A Palestinian teen who tried to stab an Israeli woman in the West Bank was run over and shot to death. Her father, imam of the refugee camp where she grew up, says his daughter was 'responding to the occupation.'04:30 28.11.15 | 1 comments