The Rolling Stones' (search) concert at the University of Virginia (search) was interrupted Thursday night while several police officers and three bomb (search)-sniffing dogs searched the stage.

The show resumed after about a half-hour intermission. University, state and city police did not immediately return phone calls about the incident, and no announcement was made to the audience about the reason for the break.

About eight songs into the show, lead singer Mick Jagger announced that authorities had told them to take a break. The stage at the university's 61,000-seat Scott Stadium and about the first 20 rows of spectators were cleared until police finished their work.

The Rolling Stones are touring North America to promote their latest album, "A Bigger Bang."