The fact that Cherif and Said Kouachi, the brothers suspected of the Charlie Hebdo attack, are of Algerian descent may have disturbing resonances of earlier conflicts in the north African country.
Air Algerie flight 5017 crashes on its way from Burkina Faso to Algiers, with 116 people on board including 51 French nationals.
The 92 migrants found dead in Niger were just a handful of people among thousands each year who brave dehydration and starvation to escape across the Sahara desert.
The al-Qaeda commander Mokhtar Belmokhtar, who shot to prominence after the bloody Algerian gas plant hostage crisis, has reportedly been killed by Chadian soldiers in Mali.
David Cameron is travelling to Algeria to step up efforts to tackle the growing terrorist threat in northern Africa after a BP oil plant was seized by Islamist militants and six British hostages died.
For all the talk of "mission creep" in north Africa and comparisons to Tony Blair, this Prime Minister does not have the stomach for foreign wars of any scale.
The name of Mokhtar Belmokhtar went global when it was associated with the Algerian hostage crisis at a remote gas plant. But just how much of a true jihadi is he?
The Foreign Office advises Britons to leave the Libyan city of Benghazi immediately because of a "specific and imminent terrorist threat".
Work continues today to identify the British victims of the Algerian siege and to repatriate their bodies as BP confirm 14 of their 18 staff are now safe.