Why has search of Ilhan Omar’s home before US midterms caused controversy?

United States federal agents have searched the Washington, DC home of Democratic Congresswoman Ilhan Omar, a Muslim and a prominent critic of President Donald Trump, as part of an investigation that one source said was linked to alleged immigration fraud.The predawn raid on Monday came three weeks before the US midterm elections on November 3, in which Omar is seeking a fifth term representing Minnesota’s 5th congressional district.Recommended Stories list of 3 itemslist 1 of 3US Rep. Ilhan Omar’s home searched by immigration agentslist 2 of 3Trump insists energy ceasefire holds as Ukraine reports new Russian strikeslist 3 of 3Despite long history with Netanyahu, Trump hedges as Israel vote nearsend of listOmar called the raid an attempt to “weaponise federal law enforcement”, while top Democrats said the timing raised “serious questions”.So why has the search caused such alarm? Here’s what we know:What happened?Agents from Homeland Security Investigations (HSI), part of US Immigration and Customs Enforcement (ICE), executed what the US Department of Justice called a “judicially authorised search warrant”.The department said only that it was part of “an ongoing federal investigatio...