Kate Adie introduces dispatches from Mexico and the USA, Bangladesh, Syria and the Faroe Islands.

Donald Trump has threatened Mexico with sanctions if it does not do more to halt the flow of deadly fentanyl into the US. Quentin Sommerville gained rare access to a Mexican drug smuggling operation, meeting the foot-soldiers of a prominent cartel as it prepares to send fentanyl north of the border.

Bangladesh is homes to hundreds of thousands of Rohingya people, who have been living in refugee camps since fleeing pesecution in Myanmar back in 2017. The Rohingya’s survival has been dependent on foreign aid – but that lifeline is now at risk, following cuts to the US aid budget. Samira Hussain visited one of the refugee camps.

US negotiators proposed an immediate 30 day ceasefire in Ukraine this week. While President Zelensky accepted the proposal, President Putin said questions remain about the nature of the truce. Frank Gardner assesses the chances for a lasting peace.

Back in 2014, swathes of north-east Syria came under the control of Islamic State - though when its fighters reached the city of Kobane, they met strong resistance from Kurdish forces. With the help of international allies, IS was eventually driven out, but local Kurds still worry that IS may one day return, reports Jiyar Gol.

In the autonomous Danish territory of the Faroe Islands, locals have been keeping an eye on what’s been going on in another Danish territory – Greenland. Donald Trump’s proposal that the US might look to buy it has sparked fresh conversations over Faroese independence – and a growing sense of local pride, finds Amy Liptrot.

Series Producer: Serena Tarling