Dec 2 (Reuters) - Officials in Minneapolis on Tuesday said they were not aware of imminent federal immigration raids targeting the area’s Somali community, which has come under blistering attacks from U.S. President Donald Trump in recent days. Anti-immigration rhetoric was a major part of Trump's campaign and since taking office in January he has overseen an aggressive campaign by masked federal agents across the country that has instilled fear in immigrant communities and prompted protests and backlashes in the cities targeted. During a cabinet meeting on Tuesday, Trump ratcheted up his inflammatory rhetoric about Somalis, saying they had contributed...