On 7 April 2017, in central Stockholm, the capital of Sweden, a hijacked lorry was deliberately driven into crowds along Drottninggatan (Queen Street) before being crashed through a corner of an Åhléns department store. Five people were killed and 14 others were seriously injured. Police considered the attack an act of terrorism. The Stockholm-attack-2017-ids.txt contains tweet identifiers for 1067963 tweets that mentioned or tagged one or more of the following: #PrayForStockholm, #Stockholm, #Tukholma, #kärleksmanifestation, #lastnightinsweden, #openstockholm, #prayforsweden, #stockholmimitthjärta, #stockholmterror, #swedenattack, #swedenincident, Drottninggatan, Fridhemsplan, Hötorget, Märsta, Rakhmat Akilov, Sergels, Suecia, Swedish Police, Åhlens. This dataset were collected with the twarc utility.