Children rush to the water flow at Millennium Park, at the height of a heat wave in Chicago.
The United States was sweating through a weekend of dangerously hot weather, with major cities including New York, Philadelphia and Washington experiencing temperatures approaching 100 degrees Fahrenheit (38 degrees Celsius).
An oppressive heat wave stretching from the Midwestern plains to the Atlantic coast had nearly 150 million people struggling to stay cool amid scorching temperatures.
Heat index values -- combining the effect of heat and humidity -- could reach 110 to 115 degrees, particularly in the east, the National Weather Service (NWS) said.
Waves of heat
It warned that "dangerously high temperatures and humidity could quickly cause heat stress or heat stroke if precautions are not taken."
People were being urged to stay hydrated, watch out for the sick and the elderly, stay inside as much as possible and not leave children or animals in cars.
The heat wave already claimed at least three lives, including two earlier in the week in the eastern state of Maryland.
Heat warnings have also been issued for parts of eastern Canada.
In New York, Mayor Bill de Blasio declared a heat emergency.
The New York City Triathlon, which had been scheduled for Sunday, was cancelled for the first time since its founding in 2001.
The estimated 4,000 participants, many of whom had traveled long distances to race, will receive full refunds of entry fees of up to $399, organizers said.
'Serious, serious stuff'
New York City opened 500 cooling centers for residents.
"Saturday is going to be really, really bad, on through Sunday," de Blasio said in a warning to the city. "This is serious, serious stuff."
Climate data showed June was the hottest month on record worldwide, with a heat wave across Europe smashing national records.
Merely halfway through 2019, the world has already witnessed temperature records smashed from Europe to the Arctic Circle and the year could prove to be one of the hottest ever recorded. This June was the hottest on record, beating out June 2016 — so far the hottest year ever. The first half of 2019 also saw intense
The German Weather Service registered 41.5˚C in Lingen, in the west, which had posted 40.9˚C earlier in the day.
A British record high temperature, 38.7°C (101.6 Fahrenheit), may have been reached on Thursday, provisional data from the UK Met Office showed on Friday.
ADP also warned against the renewed methods of scammers and fraudsters to lure victims after obtaining information related to their bank accounts and reusing that data again, to withdraw funds from their bank accounts.
Voting continued on the legislation, which must also be approved by the Democratic-majority Senate before President Joe Biden can sign the measure into law.
The general command of the armed forces said in a statement it suspended talks in the Saudi city of Jeddah, accusing the other side of a lack of commitment in implementing any terms of the agreement and a continuous violation of the ceasefire.