US vice president Joe Biden told ABC television  Sunday 5 July that the US could not restrain Israel from taking military action if it felt threatened by a nuclear build-up in Iran. Biden has just returned from a Middle East trip. Israeli prime minister Benyamin Netanyahu has warned that Israel will not allow Tehran to acquire nuclear weapons. Israel bombed a nuclear reactor in Iraq in 1981. The Sunday Times of London reported 5 July that secret talks between Israel and Saudi Arabia raised the possibility that Israel would not be hindered if it flew through Saudi airspace on its way to Iran. BBC, Reuters