( CNN ) -- A Planned Parenthood clinic in Wisconsin remained closed Monday after a homemade bomb was placed outside the building , the state organization said . The explosive device was found around 7:40 p.m. Sunday at the Appleton North Health Center and had caused a small fire by the time Grand Chute fire officials arrived , Teri Huyck , president and CEO of Planned Parenthood of Wisconsin , said in a statement . No patients or staff members were at the health care center at the time , Huyck said , and no injuries were reported . The clinic remained closed Monday as a precaution , but the organization says it will reopen Tuesday . `` Rest assured , our doors will remain open for the thousands of women who rely on Planned Parenthood of Wisconsin each year for high quality health care , '' the statement said . Police in Grand Chute are investigating the incident . No information about a suspect or a motive has been released . A statement from Planned Parenthood said the Appleton North Health Center provides abortion care at three of its 27 clinics in the state . It did not say which clinics provide those services .
Explosive device was found around 7:40 p.m. Tuesday at clinic in Grand Chute . Planned Parenthood of Wisconsin is closed at the time . It will reopen to staff and patients Sunday , organization says .