Hurricane Irma poses a bigger menace to power supplies in Florida than Hurricane Harvey did in Texas because Irma is packing near 200 mile-per-hour
An earthquake described by Mexico's president as the country's strongest in a century has struck off the southern coast, killing at least six people. One person also died in neighbouring Guatemala, its president has said.
The quake, which Mexico's leader Enrique Peña Nieto said measured 8.2, struck in the Pacific, about 87km (54 miles) south-west of Pijijiapan.
Australians have handed in nearly 26,000 firearms in the nation's first gun amnesty since its landmark response to a mass shooting in 1996.
The amnesty began on 1 July to help counter a growing terrorism threat and an influx of arms in the country.
It is illegal to own an unregistered firearm in Australia.