Danish police say a powerful explosion has occurred outside a tax office in the capital, Copenhagen, shattering windows and damaging the building. No one is believed to have been injured.

Police said that the explosion happened late Tuesday.

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People stop to look at the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Danish police say a powerful explosion has occurred outside a tax office in the capital, Copenhagen, shattering windows and damaging the building. No one is believed to have been injured.

Director of the Tax Agency Merete Agergaard, right, and Minister of Taxation Morten Boedskov view damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019.  Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Police are calling on anyone with information relevant to the investigation to come forward.

A view of the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

A view of the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7, 2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

A man looks at the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

A man looks at the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7, 2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Broken windows that were caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Broken windows that were caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7, 2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Chief Police Inspector Jorgen Bergen Skov said in a statement that a "broad and comprehensive" investigation is underway but that "it is too early to say exactly who is behind the explosion."

People stop to look at the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

People stop to look at the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7, 2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Police are calling on anyone with information relevant to the investigation to come forward.

Director of the Tax Agency Merete Agergaard, right, and Minister of Taxation Morten Boedskov view damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019.  Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Director of the Tax Agency Merete Agergaard, right, and Minister of Taxation Morten Boedskov view damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7, 2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

A view of the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

A view of the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7, 2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

A man looks at the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

A man looks at the damage caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7, 2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Broken windows that were caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7,  2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)

Broken windows that were caused by an explosion to the entrance of the Danish Tax Authority in Copenhagen, Denmark, Wednesday, Aug. 7, 2019. Police confirm that there was a powerful explosion late Tuesday in front of the Danish Tax Agency in Copenhagen. (Olafur Steinar Rye GestssonRitzau Scanpix via AP)