Update 2: True to his word, it appears the humanitarian aid trucks being sent from the west into Venezuela have been repelled by Maduro's guards as reports come in from social media that they are all now on fire.
Update 1: President Maduro addressed the nation on state-owned television, urging his supporters to revolt if he is harmed and telling Trump "Yankee, go home!" Headlines from the speech include (via Bloomberg):
— Donald J. Trump (@realDonaldTrump) February 23, 2019
As we detailed earlier, unrest in Venezuela is intensifying at border crossings with Colombia after embattled President Nicolas Maduro declared the borders with both Colombia and Brazil closed late this week, and after violence at a town near the border with Brazil left two dead and 17 injured when national guard soldiers opened fire on a group of civilians attempting to keep open a segment of the southern border with Brazil for deliveries of humanitarian aid.
— Babak Taghvaee (@BabakTaghvaee) February 23, 2019