In the 21st century, the search for national security has become a source of urban insecurity.

A rebel fighter in the Syrian city of Aleppo after heavy fighting.
A rebel fighter in the Syrian city of Aleppo after heavy fighting. © Philippe Desmazes/AFP/Getty Images

The traditional security paradigm in our western-style democracies fails to accommodate a key feature of today’s wars: when our major powers go to war, the enemies they now encounter are irregular combatants. Not troops, organised into armies; but “freedom” fighters, guerrillas, terrorists. Some are as easily grouped by common purpose as they are disbanded. Others engage in wars with no end in sight.

What such irregular combatants tend to share is that they urbanise war. Cities are the space where they have a fighting chance, and where they can leave a mark likely to be picked up by the global media. This is to the disadvantage of cities – but also to the typical military apparatus of today’s major powers. 

The main difference between today’s conflicts and the first and second world wars is the sharp misalignment between the war space of traditional militaries compared to that of irregular combatants.

Irregular combatants are at their most effective in cities. They cannot easily shoot down planes, nor fight tanks in open fields. Instead, they draw the enemy into cities, and undermine the key advantage of today’s major powers, whose mechanised weapons are of little use in dense and narrow urban spaces.

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The new urban map of war is expansive: it goes far beyond that war zone. The attacks in Madrid, London, Casablanca, New York, Bali, Mumbai, Lahore, Jakarta, Nice, Munich, Paris, Barcelona, Manchester, Brussels – and on and on – are all part of this map, whether or not their countries are involved in the active theatre of war.

We have gone from wars commanded by hegemonic powers that sought control over sea, air, and land, to wars fought in cities – either inside the war zone, or enacted in cities far away. The space for action can involve “the war”, or simply specific local issues; each attack has its own grievances and aims, seeking global projection or not. Localised actions by local armed groups, mostly acting independently from other such groups, let alone from actors in the war zone – this fragmented isolation has become a new kind of multi-sited war.

In the old wars, there was the option of calling for an armistice. In today’s wars, there are no dominant powers who can decide to end it. Today’s urban wars, above all, are wars with no end in sight.