State Dept. warns of Islamic terror attacks in Europe November 22, 2016 (AP/Francois Mori) (AP/Francois Mori)State Dept. warns of Islamic terror attacks in Europe ISIS remains a major threat to global security and people are advised to take precautions when traveling abroad.The US State Department issued a special warning Monday advising US citizens traveling in Europe to be aware of a “heightened risk of terrorist attacks” during the upcoming holiday season.The advisory states that “credible information” indicates that Islamic State (ISIS) and al-Qaeda terrorists continue to plan attacks in Europe around the holiday season.It also warns that “extremist sympathizers or self-radicalized extremists” may try to execute attacks.The warning encourages travelers to be cautious at holiday festivals and outdoor markets and urges Americans to avoid large crowds and be vigilant when visiting tourist sites, riding public transportation and meeting in places of worship, hotels, restaurants and other gathering spots.The advisory praises efforts by European security agencies to disrupt plots, but says the US remains concerned about the potential for attacks.Islamic terrorists have carried out attacks in Belgium, France, Germany, and Turkey in the past year, but the Department remains concerned about the potential for attacks throughout Europe.By: World Israel News Staff AP contributed to this report EuropeISISIslamic terror