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. Last Updated: 07/27/2016

2 Bombs at Tallinn Stockmann Store

TALLINN, Estonia -- Two bombs exploded Friday in Stockmann's in the city center, slightly injuring four people, police said.

The first bomb went off at 4:45 a.m. local time in Stockmann's food department after a man speaking Russian telephoned security officials, threatening to set off a bomb if he did not receive 2 million kroons ($114,000), said police spokesman Indrek Raudjalg.

Estonian Security Services guards were the only people in the store then and nobody was injured, but a second bomb exploded about six hours later in the same department after the store had opened, Raudjalg said, adding that they had no suspects.

Four people sustained minor injuries in that blast, including a 29-year-old woman who was treated for minor burns at a local hospital. A 30-year-old woman, her 15-month-old baby and a 22-year-old security guard were treated at the scene.

After the second explosion, police closed the busy streets surrounding the store and evacuated the five-story building. Traffic flowed smoothly again by early afternoon, but police ribbons still surrounded the store and its parking lot. Guards and police blocked entry to the area.

Security officers called the bomb squad at the Rescue Board at about 3 a.m. local time, after receiving the first bomb threat.

Explosives experts searched outside the building and in the security guards' office but found no explosives. Raudjalg said a "miscommunication" prevented the bomb squad from searching inside the store because they were worried about setting off alarms.

The man, believed to be in his 30s, called again and demanded the money, saying a second bomb was set to explode in the recently renovated 14,500-square-meter building.

Stockmann's planned to step up its security and reopen Saturday, said deputy managing director Hannu Penttila in Helsinki, Finland.