Dortmund (dpa / lnw) - Unknowns blew up an ATM in Dortmund early Friday morning. The perpetrators were on the run, said a police spokesman early Friday morning. The incident happened around 3:30 a.m. in the Lichtendorf district. This resulted in property damage of an unknown amount. It is still unclear how many perpetrators were involved in the blast and whether or how much money was stolen.