customs

Smugglers also have direct access from the island of Ireland to UK and EU markets with relatively few routine customs checks.

The caller claimed to be from a courier company, alleging that Mumbai customs had seized a drug parcel she was sending to Beijing.

He estimates they are losing one million dollars a day in customs revenue from the border closure.

"On top of that, captains will be having to deal with customs and excise and paperwork around the cargo and immigration."

They accuse them of being tone deaf to Mexican customs, of failing to learn Spanish or, in many cases, even pay taxes.