According to the intelligence police statement, the suspects were arrested from different location—one from his home in the city of Aarhus and the other as he arrived by plane at Copenhagen airport.
The two brothers aged 18 and 23, and their names have not been released yet.
“The arrested are suspected of having been in the process of preparing an act of terror, among other things through conversations about methods, targets and the use of weapon types,” it said.
“One of the arrested is also suspected of having undergone training, instruction and teaching at an al-Shabab training camp in Somalia with the aim of carrying out an act of terror.”
Police said the suspects had been living in Aarhus for the past 16 years and held Danish citizen ship. They would go before a judge on Tuesday to determine whether they would be remanded in custody, they said.
The arrests came just over a month after Danish police arrested three people in Copenhagen, also suspected of planning a “terrorist act”, Al Jazeera reported.