US President Donald Trump on Thursday threatened to invoke an emergency law that allows domestic deployment of the military, as protests roiled Minnesota after two incidents of federal agents firing their weapons, injuring a man Wednesday and killing a woman last week.Protesters denounced the violence of Trump’s broad-reaching immigration raids in rallies in the frigid northern city, which is a Democratic stronghold.For all the latest headlines follow our Google News channel online or via the app.On his social media platform Trump repeated his threat to invoke the Insurrection Act, a 19th-century law for quelling insurrection that has not been used in more than 30 years.“If the corrupt politicians of Minnesota don’t obey the law and stop the professional agitators and insurrectionists from attacking the Patriots of ICE, who are only trying to do their job, I will institute the INSURRECTION ACT,” Trump posted on social media Thursday.Trump has reacted angrily to protests and court