Shafaq News/ At least 27 people were arrested, on Sunday, in Istanbul over suspicion of links to ISIS terrorist group, said a police source in the Turkish metropolis.

Police sources said that the suspects were planning to carry out multiple attacks under the pretext of insulting Prophet Muhammed.

As part of the operations, police raided various addresses in 15 districts and a large number of documents and digital material were seized.

The country has since been hit by ISIS numerous times in which at least 300 people have been killed and hundreds of others injured.