Appeal by the defendant from a judgment of the County Court, Suffolk County (Jones, J.), rendered January 5, 1996, convicting him of robbery in the first degree and assault in the first degree, upon his plea of guilty, and imposing sentence.
Ordered that the judgment is affirmed.
The defendant’s claim that his guilty plea was coerced is not preserved for appellate review. The defendant did not move to vacate his guilty plea, nor did he otherwise raise this issue before the County Court (see, People v Pellegrino,
Finally, the defendant may not now be heard to challenge the negotiated sentence which the court imposed (see, People v Kazepis,
