Germany is considering to ask its citizens to stockpile food, water and other supplies in case of disasters or an armed attack.

德国正在考虑要求民众储备食物，饮水和其它供给物资，以备自然灾害或是武装进攻的发生。

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The armed forces seem to have been taken by surprise by the ferocity of the attack.

武装部队好像被猛烈的进攻给镇住了。

《柯林斯英汉双解大词典》

In a report issued Monday, the Kabul-based Afghanistan Rights Monitors (ARM) says that up 70 civilians were killed in the Kunduz attack while the rest were armed militants.

VOA: standard.2009.09.07

For instance,he says, a UN compound recently was hit by rocket fire, a World Food Program convoy came under attack and non-governmental organizations are frequent victims of armed robbery by criminals.

VOA: standard.2009.08.07

The good news: such threats are easier to deal with than the terrors of ambush or armed attack.

ECONOMIST: Doing business in dangerous places

Even then, not every act of this sort is armed attack or war (see examples 1 and 3 above).

FORBES: Cyber War and the Expanding Definition of War

It envisages a collective response to armed attack against one of its members.

BBC: Bush calls attacks 'acts of war'