"The Israeli withdrawal is in line with the Israel-Hamas ceasefire agreement of 19 January under which 16 Israeli hostages and 566 Palestinian prisoners have so far been freed.
By the end of the first stage of the ceasefire in three weeks' time, 33 hostages and 1,900 prisoners are expected to have been freed. Israel says eight of the 33 are dead."
As per ceasefire agreement they have withdrawn from that area.