Russia’s tactics in pursuit of its imperial objectives show Putin’s ruthlessness, yet despite growing support here for joining Nato, no senior politician appears willing to lead the country towards the European mainstream on security

Sean Stark, a former US Marine, spent three weeks on the frontline in the Donbas region with a unit of other foreign fighters, under what he called ‘constant’ artillery attacks

The Taoiseach was absolutely right to attend the historic Nato/EU summit, as we now live in a world where war is not a theoretical threat but is very real

Ireland’s security may not require the country to join Nato, but we must not delude ourselves into thinking we need to do nothing

Finland and Sweden, two peaceful Ireland-sized nations, are making moves to join Nato – and there are few good reasons why we shouldn’t join too

This week, Ukrainian sports journalist Oleksandr Proshuta is worried about the threat of attacks on his native city of Zaporizhzhya and other urban centres, but says there is a growing optimism due to the help from the US and Nato

It is simply deluded to believe that a policy of non-intervention in Ukraine will stop Putin on his quest to replicate the USSR

As Capitol Hill moves to agree an aid package of between $10 billion and $15 billion for Ukraine, the crisis has created that rarest of things: a united front between Democrats and Republicans

Ireland should move to maximise the security and defence of its citizens, which is the first duty of the state, in a world that has suddenly become more dangerous

Absent a military response, the world community’s options are limited but not non-existent, with sanctions at the top of the list, as well as offering sanctuary