"The army is here and the police, civil protection, firefighters, emergency medical services are arriving, the mountain rescue service from Split will be coming, military helicopters have gone to collect them," Plenkovic told reporters in Petrinja where he arrived after hearing of the devastating earthquake that struck the town at 12.20 on Tuesday.
He added that accommodation would be provided for those whose houses have been destroyed.
"Containers will be delivered so that we can move the people off the streets and move them out of Petrinja because it's not safe to be here, said Plenkovic.
"We are sorry, This is a tragedy," he said.
According to the latest information a young girl was killed in the quake.