Just to recap, for those not following this, the US has blown up about 4 Venezuelan boats in the Carribbean, claiming they were carrying drugs but providing no proof of that. Now today Trump has followed up on that saying:
"We are certainly looking at Venezuelan land now. We have the sea under control."
This has been interpreted by many as a declaration of war on Venezuela, or something close to it, so much so that some US Senators are calling for a vote there to call a halt to it. In theory only the Senate can declare war.