Buhari names Alkali Baba Usman as acting IGP

Find these stories and much more when you grab a copy of The Guardian on Thursday.

Clashes between the Congolese armed forces and the M23 militia group have sent thousands of people over the border to Rwanda seeking shelter. Meanwhile, the UK and Rwanda are to settle 50 undocumented migrants who arrived on British shores in the Rwandan capital Kigali; we take a closer look. And Zimbabwe wants to sidestep international conventions to sell its $600 million stockpile in black market ivory – not without controversy.

The Russia House in Davos has always sold the Russia story to global investors, but now it's having to tell a rather bitter truth. In the absence of Russians, Ukraine is making sure Moscow's excesses are not forgotten.

A wave of protests swept across Iran as people went online to express their opposition to the death penalty given to three young Iranians for taking part in demonstrations last year.

The world is facing its worst food crisis in history. Millions of tonnes of wheat are stuck in Ukraine, worsening an already precarious situation for many countries that depend on exports from the region. IMF Managing Director Kristalina Georgieva tells FRANCE 24 Business Editor Kate Moody that only "very strong international mobilisation" will save the lives of millions of people. Also in our update from Davos: EU member states move towards an embargo on Russian oil, but with no consensus on the timeline.

Over two thirds of young Colombians say their lives have got worse over the past year, which saw a fierce crackdown on anti-government protests in a country still recovering from five decades of conflict. Six years after the peace deal with the FARC rebels, many young people are backing the former mayor of Bogota, Gustavo Petro, in the May 29 presidential election. If he wins, Petro would become Colombia's first-ever leftist leader. In this special edition of Inside the Americas, we meet several young Colombians who are hoping for change.