CPL 280- Jury trial- motion for mistrial

CPL 280.10
At any time during the trial, court MUST declare a mistrial and order a new trial of the indictment under 3 motions of who?

CPL 280.10
motion by the defendant

CPL 280.10
motion by the people

CPL 280.10
upon motion of either part or upon the courts own motion (sua sponte)

CPL 280.20
when a new trial results from a declaration of a mistrial, the indictment is restored to the "status" at the time the trial was ____. even though a count may have been dismissed during trial

CPL 280.10
the court can declare a mistrial and order a new trial at what time in trial?