<p>Ontario: The United States has offered to help India probe a fatal explosion in Delhi, the capital, where authorities are carrying out a "very professional" investigation, Secretary of State Marco Rubio said on Wednesday.</p><p>"We've offered to help, but I think they're very capable in these investigations. They don't need our help, and they're doing a good job," he told reporters in Canada after a meeting of Group of Seven foreign ministers.</p>
<p>Ontario: The United States has offered to help India probe a fatal explosion in Delhi, the capital, where authorities are carrying out a "very professional" investigation, Secretary of State Marco Rubio said on Wednesday.</p><p>"We've offered to help, but I think they're very capable in these investigations. They don't need our help, and they're doing a good job," he told reporters in Canada after a meeting of Group of Seven foreign ministers.</p>