Durban — Police Minister Senzo Mchunu has declared the ‘construction mafias’ and extortionists as public enemy number one who must be crushed.The minister was speaking at a construction summit in Durban on Tuesday. The summit was organised by the Public Works and Infrastructure Department in collaboration with the police as a direct response to the escalating extortion crime, particularly in the construction industry.The minister said the construction mafias were well organised and has assigned the police’s organised crime unit to deal with them and ensure that all construction…