The phrase "a heated clash" is correct and usable in written English.
It can be used to describe a situation where there is intense disagreement or conflict between parties, often in a public or formal context.
Example: "The debate turned into a heated clash between the two candidates, with each side refusing to back down."
Alternatives: "a fierce confrontation" or "an intense dispute."
Green was involved in a heated clash with a television news team when they tried to question him about the collapse of BHS on Wednesday.
In a debate that was more a get-acquainted session than a heated clash over the issues, the three Republican candidates for United States Senate last night engaged in a largely genial exchange on taxes, Social Security, the environment and combating terrorism.
Even that could have been worse; the Swans spearhead might have demolished Fred Fanning's famous record had he not misjudged coach Barassi's message to "cool it" following a heated clash with Roys defender Mark Zanotti and taken himself off the ground for the final 12 minutes of the first half.
In a heated clash at Prime Minister's Questions, Mr Miliband asked Mr Cameron how he would explain the "revolving door between Tory Party HQ and the Swiss branch of HSBC".
At one point, he found himself in a heated clash with Sen. John McCain about the Iraq War.
After Grace made controversial comments following the death of Whitney Houston, the two media personalities had a heated clash on air.
The two had been engaged in a fundraising battle and were potentially headed for a heated primary clash.
It was a remarkable admission, but one quickly subsumed into the heated clash.
COUNSEL IN HEATED CLASH Steuer Angrily Denies Board Under Fire Has Any Connection With Officers of Old Company.
We're in the middle of a tour of his exhibition – which includes Jesuit tapestries and relics from long-lost local Indian religions – when he suddenly lets slip on his heated clash with the man now known as Pope Francis.
O'Donnell later highlighted O'Reilly's heated clash over his proposed gun control law with GOP congressman Jason Chaffetz.
