Six suspected drug dealers have been arrested in Berlin for allegedly running a cocaine delivery service in the German capital, investigators said on Tuesday.

About 200 officers raided 14 properties in the early morning hours, the police said in a statement.

The raid a five-month investigation into 13 suspects of varying nationalities, aged between 23 and 45.

They are associated with Berlin’s organised crime scene and are said to have operated a lucrative drug dealing network.

A Berlin public prosecutor said the gang is believed to have conducted more than 2,200 sales of cocaine with their cocaine taxi.