An attack in Paris Thursday left one police officer dead and one seriously wounded, Reuters reported. Police urged people to stay away from the Champs Elysees, one of the most popular streets in Paris.

Police said the attack could be related to terrorism and that the attacker was dead, French media reported. The famed street remained sealed off to the public after the incident took place.

The attack was among the latest to take place in Paris, which has been under a state of emergency since more than 100 people were killed in a single night in November 2015.

Apr. 20, 2017: One police officer was killed and one was seriously injured following an incident on the Champs Elysees in Paris, according to early reports. The attacker was also reportedly killed following the attack. The street remained closed to the public while a heavy police presence remained in the area. 

Feb. 3, 2017: A man who yelled "Allahu Akbar" while wielding a machete attacked a group of soldiers outside the Louvre in Paris. Prime Minister Bernard Cazeneuve said the attack was "clearly of terrorist nature."

Jul. 14, 2016: At least 84 people were killed and 303 were injured after a massive truck drove into a crowd celebrating Bastille Day in Nice. The driver was identified as Mohamed Lahouaiej-Bouhlel, 31, from Tunisia. ISIS later took responsibility for the attack, who called Bouhlel “one of the soldiers of the Islamic State.”  

Nov. 13, 2015: An attack at the Bataclan theater in Paris during a performance of U.S. rock band Eagles of Death Metal left 90 people dead and numerous others injured. The shootings were part of a larger series of attacks perpetrated in Paris that same night in which 130 people were killed. Terrorists who pledged alliance to the Islamic State took responsibility for the incident. 

Jan. 7-9, 2015: An attack at the offices of satirical French magazine Charlie Hebdo in Paris left 12 people dead. A separate hostage situation at a Jewish supermarket left four dead.