UNPUBLISHED UNITED STATES COURT OF APPEALS FOR THE FOURTH CIRCUIT JAY PETER MONTEROSE, Plaintiff-Appellee, v. ALPHONSO HARRISON, individually and in his official capacity; SEAN SULLIVAN, individually and in his official capacity, Defendants-Appellants, and TOWN OF BERWYN HEIGHTS, No. 99-1240 MARYLAND; THOMAS J. LOVE, former Mayor of the Town of Berwyn Heights in his official capacity; WILLIAM T. ARMISTEAD, JR., Mayor of the Town of Berwyn Heights in his official capacity; JAMES F. ARTIS, SR., Chief of Police of the Town of Berwyn Heights, Maryland individually and in his official capacity, Defendants.

Appeal from the United States District Court for the District of Maryland, at Greenbelt.

Peter J. Messitte, District Judge. (CA-98-195-PJM) Submitted: March 28, 2000 Decided: April 18, 2000 Before NIEMEYER, Circuit Judge, HAMILTON, Senior Circuit Judge, and Deborah K. CHASANOW, United States District Judge for the District of Maryland, sitting by designation. _________________________________________________________________ Dismissed by unpublished per curiam opinion. _________________________________________________________________ COUNSEL Ronald McGlenn Cherry, MCGUIRE, WOODS, BATTLE & BOOTH, Baltimore, Maryland, for Appellant. Marcell Solomon, MARCELL SOLOMON & ASSOCIATES, P.C., Greenbelt, Mary- land, for Appellee. _________________________________________________________________ Unpublished opinions are not binding precedent in this circuit. See Local Rule 36(c). _________________________________________________________________ OPINION PER CURIAM: In this interlocutory appeal, Alphonso Harrison and Sean Sullivan, police officers for the town of Berwyn Heights, Maryland, appeal the district court's denial of their motion for summary judgment in a civil action filed by Jay Monterose. Monterose's complaint against Harri- son, Sullivan, other public officials, and the town of Berwyn Heights, stemmed from his arrest following a traffic stop. It alleged various state and federal claims, including unlawful arrest and excessive force. See 42 U.S.C.A. § 1983 (West 1994 & Supp. 1999). The dis- trict court granted summary judgment to all of the defendants but offi- cers Harrison and Sullivan. The court concluded that there were genuine issues of material fact that precluded summary judgment in favor of the police officers based upon qualified immunity. Having previously granted the parties' motion to submit this appeal on the briefs, we have reviewed the parties' submissions and dismiss the appeal for lack of jurisdiction.

A district court's interlocutory order denying a defendant's motion for summary judgment is an appealable collateral order when the defendant is a public official asserting a qualified immunity defense and "the issue appealed concern[s], not which facts the parties might be able to prove, but, rather, whether or not certain given facts showed a violation of `clearly established' law." Johnson v. Jones, 515 U.S. 304, 311 (1995). Thus, a court's order denying a qualified immunity defense at summary judgment is appealable if the defen- dants claim "there was no violation of clearly established law accept- ing the facts as the district court viewed them." See Winfield v. Bass, 106 F.3d 525, 530 (4th Cir. 1997). However, we have no jurisdiction over an appeal that requires an assessment of whether or not certain conduct occurred. See id. We conclude that this is such an appeal and dismiss for lack of jurisdiction.

DISMISSED