Iran's Islamic Revolutionary Guard Corps says the vessels had hit sea mines while trying to cross a prohibited route.

"This wasn't just a tsunami, not just a referendum, but this was a bloodbath," one expert told the BBC on Democrats' historic wins in Texas.

Republican Byron Donalds, who was backed by President Donald Trump, will be the first black governor of Florida.

Papua New Guinea police had earlier dismissed speculation that the 32kg object was "merely a dummy".