Australia faces a high risk bushfire season as it experiences an El Nino weather event, which is typically associated with extreme events like wildfires, cyclones and droughts.

This year's previous high was 32.2C, which was reached twice in June, the Met Office says, helping make that month the hottest June on record in Britain.

South Korea raised the heat warning level in its four-tier system to the highest on Tuesday, the first time since 2019.

Temperatures are expected to be 39 C in Tehran on Wednesday.

The torrid heat has gripped China for several weeks, pushing local governments to ask residents and businesses to curb the usage of electricity.

The heavy rain, heat and recent hail have been damaging infrastructure, crops and endangering livestock across the country.

A stationary high pressure system that is trapping the heat and humidity, known as a heat dome, has been hovering over the US South for the last few weeks, causing the sweltering weather.

Some people with disabilities are more likely to have health conditions or use medication that can affect the body's ability to respond to heat.

Southern China has been beleaguered by a combination of hot temperatures and heavy rainfalls in recent weeks, with power loads in cities approaching historic highs due to soaring demand for air-conditioning.

Sreemangal, Bangladesh's tea capital, traditionally has the highest rainfall in the country and temperatures that, while close to 30 degrees Celsius in the summer, feel milder because of the cooling rain.

Environmental authorities currently list 416 active fires in the country, 203 of which are classified as out of control.

Organisers had to let the air out of one bird due to high summer temperatures, which on Saturday reached highs of 33 degrees Celsius.