drugs arrive in pemba's port on cargo ships or are transferred to small fishing boats and brought toler was willing to speak with us under the condition of anonymity. where do the drugs come in from? >> if we talk about heroin, it's coming from pakistan. and cocaine, sometimes can come from brazil or colombia. >> reporter: can you give us details about when they come in at the port? >> they pack in something like, the same bag of rice, the same bag of sugar. they're bringing it by ship. they're using the sea. and they load in pemba, then they divide in different countries. >> reporter: heroin is estimated to be mozambique's second largest export. huge quantities of drugs are transported down to south africa and on to europe, and analysts blame high-level corruption. >> it's not possible to make a business like this without the involvement of the mozambican big man from the government and om the army. >> reporr: interest in preserving this secretive black market economy makes cabo delgado fertile ground for the insurgency to thrive. we wanted to ask the government about the marginaliz

here is this morning in pemba —— the fog should clear away in the middle part of the morning so today cloud is big enough for a spews —— for a few spots of dribble. further south, brighter with more sunshine around. less windy than it has been as well so it will feel that little bit warmer but still the breeze coming in from the north the union cloud and coolest conditions for the likes of aberdeen to newcastle. from the south, 23 degrees also towards cardiff. as we head through into the evening hours, late sunshine for many of us and then overnight, things stay largely dry once again. quite a bit of cloud, particularly in the north and east. just clear skies towards the south and the west but reasonably mild air moving in so it won't be a cold night stop temperatures staying well into the double figures. through tomorrow, a mild start with areas of cloud drifting around, particularly through central and eastern parts of england, they could be stubborn to clear but for most of us, a day of long spells, sunshine, or wet weather moving in for northern ireland and the north—west of scotl