Former Justice Department special counsel Jack Smith, who brought two federal indictments against President Donald Trump, told senators he won't "be silenced" by threats of prosecution from the Trump administration.

U.S.-Canada relations, already tense, are likely to deteriorate further after the United States went ahead early Tuesday with a decision to ban nearly $1 billion worth of Canadian imports, including alcoholic beverages, dairy products and motorcycles.

Scammers are increasingly using QR codes to steal personal information and install malware, according to cybersecurity expert Joseph Steinberg.

British police say no explosives were found after arrests near a U.S.-run military base, though officials said "a quantity of petrol" was recovered.

Oklahoma could see some showers and thunderstorms on Tuesday, but a threat of severe storms with a tornado and flooding risk comes in on Wednesday.