stockholm
An explosion was heard in Sweden's capital city Friday. Pictured: Police cars are parked outside an IKEA store in the city of Vaesteraas, about 100 kilometers west of Stockholm, Aug. 10, 2015. JONATHAN NACKSTRAND/AFP/Getty Images

A powerful explosion was reported in Sweden’s capital Stockholm, local media outlets reported Friday. Police cordoned off streets, and emergency services were reportedly on the scene. Police said there were no injuries reported, and early reports indicated police believed a gas leak may have been the cause of the explosion, Russia Today reported.

"We are there to investigate what happened, but at present it is unclear what happened," Albin Birch bark Berg, a spokesperson for the police in Stockholm, told Aftonbladet, according to the Independent.ie. Police did not believe there was reason to believe a crime was behind the blast, but said they were still exploring the cause. The accident was likely not as large as initially feared, according to Belfast Telegraph.

The Local indicated street closures were lifted shortly before 2 p.m. Nearby building and cars were checked but found not to have been damaged. A window believed to have been shattered in the blast was reportedly already damaged from an unrelated incident.