Several international students at Penn State had their visas revoked, according to a letter sent on Thursday from Sabine Klahr, interim vice provost of Penn State Global. In the letter, the university acknowledged the “concerning” incidents happening across the country and said it is committed to supporting and assisting international students, scholars and faculty. Penn State Global advised international students to carry up-to-date visas or proof of status at all times, especially if they are “traveling within the United States – driving on major highways, or riding on buses, trains, or planes.” The letter also noted that international students may be approached by Immigration and Customs Enforcement (ICE) or other federal law enforcement agencies. Students who are approached are advised to ask for a warrant, remain calm and notify University Park Police. The letter also said international students should exercise caution when traveling outside of the United States as “rules rega...