According to this post, the US ambassador & the Italian ambassador were "slightly hurt". Read it here.
11:55 PM, 2/26/07
Just heard about this; sounds like the US ambassador to Sri Lanka has been injured by a mortar attack. Here is what's available at Forbes so far:
"COLOMBO (XFN-ASIA) - US ambassador to Sri Lanka Robert Blake was wounded in an artillery attack by suspected Tamil Tiger rebels in eastern Sri Lanka, human rights minister Mahinda Samarasinghe, who accompanied him, said."