Completed the following sentence: Israeli forces withdrew later in 1978, but retained control of the southern region by managing a wide security zone along the border. <unk> <unk> <unk> <unk> <unk> <unk> ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk>
Israel during the period of the cease-fire, with over 270 documented attacks. ️<unk>️<unk>️<unk>️<unk> Documents captured in PLO headquarters after the invasion showed they had come from Lebanon.<unk> Arafat refused to condemn these attacks on the grounds that the ceasefire was only relevant to Lebanon.