New pictures released of the explosion showed fireballs rising into the air as a man identified by the AP as a citizen journalist and activist stands close by.
Activists say that the pipeline had been hit by government shells, but state media said it was an "armed terrorist group" who were responsible.
It was not possible for the Huffington Post UK to independently verify the claims.
"It appears to be a very complicated mixture of networks that are fighting the Syrian government, including individuals associated with Al Qaida in Iraq,” Seth G. Jones, who is a political scientist at the RAND Corporation, told the newspaper (read the full story here).
Also on Thursday China said it was sending an envoy to the country in an attempt to negotiate a peaceful solution.
Deputy Foreign Minister Zhai Jun will visit Damascus on Friday, China said.
A similar effort by the Russian foreign minister Sergei Lavrov in January ended in little success, officials in the EU, UK and United States have argued.
China and Russia both vetoed a January resolution which called on Syrian president Bashar al-Assad to stand down and cease the violence against civilians.
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Dramatic new pictures have emerged of the moments after an oil line exploded in the embattled Syrian town of Homs.
Activists say the city has been under near-constant attack by government forces f...
Dramatic new pictures have emerged of the moments after an oil line exploded in the embattled Syrian town of Homs.
Activists say the city has been under near-constant attack by government forces f...
By Erika Solomon and Angus MacSwan BEIRUT Feb 14 (Reuters) - Government forces and opponents of President Bashar al-Assad clashed in cities and countryside...
Activists in the beleaguered Syrian town of Homs have described "the sky raining shells" as attacks by government forces intensified after more than a week...
Billowing black smoke was seen pouring into the sky above the Syrian town of Homs on Wednesday after government forces reportedly bombed an oil line....
BEIRUT — Syrian government forces renewed their assault on the rebellious city of Homs on Tuesday in what activists described as the heaviest shelling in...
Huffington Post UK Michael Rundle First Posted: 16/02/2012 12:58 Updated: 16/02/2012 13:08