As a tense America votes for either Donald Trump or Kamala Harris, concerns about potential political violence have prompted officials to take a variety of measures to bolster security during and after election day.

Kamala Harris has made her closing pitch for the US presidency at a historically black church in the battleground state of Michigan, while rival Donald Trump embraced violent rhetoric at a rally in Pennsylvania.

As the Pacific cyclone season begins, it is vital the hundreds of thousands of litres of fuel inside the wreck of the Manawanui be removed, an ecology expert says.

A 5.48-metre Australian crocodile that held the world record as the largest crocodile in captivity has died. He was thought to be more than 110 years old.

Two people died and six were injured in a shooting in the downtown area of Orlando, Florida in the midst of Halloween festivities.

The death toll from devastating flash floods in Spain has climbed to 158, with rescue teams still searching for those missing in what could become Europe's worst storm-related disaster in over five decades.