Tensions arise over Zimbabwe crisis
The crisis in Zimbabwe is causing real tension in Whitehall. This week the home secretary warned the cabinet of a possible mass influx of refugees, many travelling on false papers. And she warned of a growing risk of the spread of cholera from the region.
Some in the Foreign Office regard such talk as an attempt to justify tougher border controls to make it even harder for refugees to make it to the UK from Zimbabwe.
Currently any Zimbabwean needs a visa to travel to the UK. Those however who come from South Africa do not. The result is that many refugees flee over the border and buy false papers before making their way to Britain.
The Home Office wants to see the introduction of visa restrictions for all countries in the region, the Foreign Office does not.
There's also a debate going on about what to do about thousands of Zimbabweans who are in limbo here. They have not been granted asylum and therefore cannot legally work or claim benefits but the government is unwilling to send them home.
The debate in each case is about the moral imperative to help those fleeing the Mugabe regime, poverty and disease and the danger of encouraging more from Zimbabwe to stay here and make their way here at an unacceptably high cost to the tax payer.