Three University of Maryland students were robbed on the campus Tuesday night while playing Pokemon Go.

The three separate incidents involved four victims — one who was not a university student, according to a University Police report released Wednesday morning. No one was injured.

The first incident occurred near Tydings Hall at 9:08 p.m., where a “weapon was implied,” the report stated. The other incidents transpired at 10:12 p.m. and 10:15 p.m. near Queen Anne’s Hall, and the victims reported seeing a black handgun.

The suspect, described as a male wearing a black mask and dark clothing, confiscated the victims’ cellphones, according to the report. Initial attempts to locate the suspect were unsuccessful.

The investigation is still open, and more information will be posted as it becomes available.