TribLIVE's Daily and Weekly email newsletters deliver the news you want and information you need, right to your inbox. No one has been injured; no active threat is occurring at the moment. Please continue to shelter in place until further notice.”The first email alert sent to students at 4:44 p.m said that police are “investigating a potentially dangerous situation” at the college campus near the Buhl Library. It was followed by an alert at 5:39 p.m. saying that “Campus Safety has issued a precautionary lockdown of the Grove City College campus. Shelter in place until further notice.”This is a developing story.