Rabbi Cohen did not compare Bayit Yehudi supporters to Amalek. He only mentioned that those who were "kippot serguot", knitted yarmulkes, are Amalek. That Aryeh Deri supports him is telling.
Five people killed in car crash near Hebron (Haaretz)
from the article: As Rabbi Ovadia Yosef fights for his life, a battle to succeed him