Sweden's Prime Minister Stefan Lofven prepares to sign a document during the EU leaders meeting on the 60th anniversary of the Treaty of Rome, in Rome, Italy March 25, 2017. REUTERS/Remo Casilli

STOCKHOLM(Reuters) - Swedish Prime Minister Stefan Lofven said the country had been attacked and that everything indicated that the truck driven into a crowd in central Stockholm on Friday was an act of terrorism, news agency TT reported.

Swedish police said three people were confirmed dead, the news agency reported.