A US drone attack has killed at least 4 Islamic militants in Pakistan. The missiles, which struck late last night, hit an insurgent compound in North Waziristan, on the Afghan border. This comes just two months after an American air strike killed two dozen Pakistani troops, adding to the already tense relationship between Washington and Islamabad. The White House said the November attack was an error, but Pakistan rejected the findings, saying the strike was deliberate. For more on this RT talks to Chris Woods, a senior reporter at the Bureau of Investigative Journalism at City University in London.