Britain’s security services believe up to 30 Islamist militant cells are plotting attacks and they are monitoring 2,000 suspects and another 2,000 sympathisers, the new security minister said on Monday even as there was an explosion outside the British embassy in Santiago, Chile. Alan West told BBC radio that the scale of the security operation was “quite dramatic” as he backed extending the 28-day limit on the time suspects can be held without charge. He issued the warning following three botched car bombings in London and Glasgow at the end of last month. Full Story