You might not like what Israel is doing but not much is illegal. It will claim the WB as disputed territory not occupied. It has Palestinian and Arab refusal to recognize them as an excuse, Palestinian terror and especially the last intifada will work in its favour. As long as Hamas is around Israel can sit pretty. I am no saying Israel's position is correct. But they will get away with it because the other side is worse. Much worse.
First refugees travelling on Hungarian bus arrive at Austrian border (Reuters)