The group said that "two soldiers of the caliphate" carried out the attack at a conference centre near Dallas.
Islamist militant group, ISIS has claimed responsibility for yesterday's attack on a Prophet Muhammad cartoon contest in Dallas, United States.
According to BBC, the group said that "two soldiers of the caliphate" carried out the attack at a conference centre near Dallas, while IS's al-Bayan Radio news bulletin said that the exhibition "was portraying negative pictures of the Prophet Muhammad".
Both attackers were killed in the ensuing shootout.
2 gun men had yesterday stormed the Curtis Culwell Center in Garland, venue of the conference on cartoons of the Prophet Muhammad which was organised by the American Freedom Defense Initiative (AFDI), which is run by controversial blogger and activist Pamela Geller.
Also, police yesterday identified one of the attackers as Elton Simpson, who had been previously investigated on suspicion of terrorism offences.