More dog shelters will be constructed in Bulgaria's capital Sofia, Mayor Yordanka Fandakova has once against promised.

"In order not to have aggressive stray dogs on the streets, we need to build more shelters," Fandakova declared on Thursday, adding that a municipal regulation has to be amended in order to achieve that.

"There have to be clear criteria on which dogs are aggressive. We cannot wait for a dog to bite a human in order to prove that its is aggressive. In my opinion, dogs who scare people are also aggressive," the Mayor also commented.

At the end of March, 88-year-old economy Professor Boteo Tachkov was brutally attacked and almost killed by an pack of stray dogs in Sofia's Malinova Dolina district. The accident triggered public outrage, as the city has been struggling to cope with its increasing stray dog population for years now.

"The stray dog issue is extremely difficult and and it will be our top priority in the future," Fandakova said, as cited by BGNES.