Israel will welcome a false messiah promising peace, and then after betrayal and being overrun a remnant will be saved when they look upon Him whom they have pierced.
a remnant will be saved
Yes, those that pay attention to Jesus' warning in Matt. 24:15-20) will flee to the mountains (Rev. 12:6, 14) and be protected from the beast. The rest of Israel will be beheaded by the Islamocrazies because the Jews are Christian at that point and will not take the mark of the beast (Rev. 14:9-16).