( CNN ) -- The roof of a shopping mall collapsed in Latvia 's capital on Thursday evening , killing four people and trapping dozens of others , officials in the Baltic country said Thursday . The country 's national news agency LETA , citing a government official , reported there were four deaths . A toddler was among the injured at the Maxima shopping mall , located on Priedaines Street in western Riga 's Zolitude neighborhood , according to LETA . Riga Mayor Nils Usakovs told CNN that authorities think as many as 30 people may be trapped in the building . He said it appeared building materials stored on the roof caused the roof to collapse . At least 13 fire brigades , a large number of ambulances and the city 's mayor arrived at the scene , LETA reported . Deadly South Africa building collapse investigated .
Roof of mall in western Riga collapses , Latvian news agency says . Comment: Mayor says perhaps 30 people are trapped .