Palestinians survey the damage in Gaza after another night of conflict. Palestinian militants attacked Israel's commercial centre of Tel Aviv and other cities with rocket fire, while the Israeli army launched strikes on Hamas and other Islamist groups in the crowded coastal enclave.

The Middle East is suffering from the worst upheaval in decades, whether it's a result of civil and regional conflicts, anti-government protest movements or economic and environmental crises. The big question for the international community now is how to remove the threat of weapons of mass destruction from the equation – that's nuclear, chemical and biological arms. The role of the Middle East Treaty Organization is to do exactly that. Its director Emad Kiyaei joins us to tell us more.

Iran's largest naval ship was on fire for 20 hours before it finally went down in the Gulf of Oman. The military did not comment on the cause of the fire, but local reports suggest a problem in the engine room.

Emergency services are on site after a rare tornado razed houses to the ground in the Czech Republic's southeast, killing at least three and injuring dozens.

Massive flooding in western Germany has left dozens of people dead and caused significant damage.

Residents carry out rescue missions in Louisiana after Hurricane Ida made landfall, killing two and stranding many in rising floodwaters. Ida, which has been downgraded to a tropical depression, knocked out power for all of New Orleans, with more than a million properties across Louisiana without power, according to an outage tracker.

Intense flooding has caused devastating damage to cars and houses in the town of Alcanar, on the Spanish Catalan coast. Authorities accelerated clean up efforts after intense rain washed away cars, filled homes with mud and knocked out power in the east of the country.

Debris lies on Chapel Street in Melbourne after a shallow quake shook southeastern Australia early Wednesday.

The release of two Canadians detained in China paves the way for a normalisation of relations between China and the US, but in the long term China will suffer reputational damage for its tactics, says Dylan Loh, an expert on Chinese foreign policy at Nanyang Technological University in Singapore.

Tropical Cyclone Shaheen made landfall in Oman Sunday, disrupting flights. The storm hit early evening and has already killed three.

Streets remain flooded and buildings damaged after tropical Cyclone Shaheen lashed Oman, leaving two workers dead in a landslide and a child killed by flash flooding. Flights were cancelled or delayed as wind speeds reached 120 kilometres an hour across Oman's north coast.