Lebanon deadly pager blasts: What we know so far

At least 12 people were killed and nearly 3,000 injured on Tuesday when pagers commonly used for communication by Hezbollah members exploded almost simultaneously across Lebanon.

The details of how this highly sophisticated attack was carried out remain unclear, though Hezbollah has blamed its adversary, Israel. The Israeli military has so far declined to comment.

Here is what we know so far.

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