Official sources in security agencies confirmed that if decided on attacking the nuclear facilities in Iran, then it should be done before the middle of 2012, because of the Iranian attempts to move the Uranium enrichment process underground. Associated Press said that these sources think that the best opportunity to successfully attack Iran would be before next summer. These sources also said that Israel cannot carry out this attack at this stage because the new sanctions imposed on Iran by the European Union should be given a chance first. The AP report also said that according to Israeli experts, to strike Iran would not stop the Iranian Nuclear project, but would only delay it a couple of years, because it is already advanced, and because the facilities are scattered over the country; immune or buried underground.