The phrase "a standoff when the" is correct and usable in written English.
It can be used in contexts where a situation of conflict or confrontation is being described, particularly when referring to a specific moment or event.
Example: "The negotiations reached a standoff when the two parties refused to compromise on key issues."
Alternatives: "a deadlock when the" or "an impasse when the".
While Republicans cast their votes citing their desire to keep spending in check, Democrats pointed back to the consequences of the summer standoff, when the nation came close to a historic default on its debt and its credit rating was subsequently downgraded by Standard and Poor's.
The notes included information about the Federal Bureau of Investigation's use of pyrotechnic gas on April 19 , 1993 the final day of the standoff, when the compound burned and Mr. Koresh and about 80 followers died.
Video from media outlets showed the conclusion of the standoff, when the man suddenly emerged from the front of the AM/PM store in the 13500 block of South Beach Boulevard and fired at deputies, who returned fire, killing him, about 12 30 a.m.
Harry and Hermione follow, and there is a brief standoff when they find Ron and Sirius, who has transformed from the dog.
His defiance, which energized anti-government activists across the west, culminated in a tense standoff when federal authorities attempted to seize his cattle.
In 2007 there was a tense standoff when Iran seized 15 British sailors, accusing them of trespassing in Iranian waters.
The leaders of the two factions were in the midst of negotiating an end to the standoff when two Patriot militiamen were seized by Loyalists outside the stockade.
David Fry, another defendant, was also in the spotlight during the standoff when he refused to surrender in the final hours of the occupation, telling live listeners on YouTube that he was ready to die.
On Friday, Mr. Merah was killed after a 30-hour standoff when security officers raided his apartment in Toulouse.
Gao Lirong, the propaganda director for the Huaxiang township, brusquely refused to comment on the standoff when reached by telephone.
