The blast occurred in the town of al-Mayadin, which lies on
the Euphrates River in the Deir al-Zor province, the
British-based Syrian Observatory for Human Rights said.
The Observatory, which monitors violence in Syria through a
network of sources, also said a number of people were seriously
wounded in the blast but did not give a number.
The area is a power base for the Islamic State in Iraq and the
Levant (ISIL), an al Qaeda splinter group active in Syria and
Iraq, whose forces this week seized several major towns in
northern Iraq and swept south towards Baghdad.
ISIL has been battling al Qaeda's affiliate, the Nusra Front,
and other insurgents in the Deir al-Zor province for months for
control of oilfields and strategic sites. The fighting has
killed hundreds and forced tens of thousands to flee their
(Reporting by Alexander Dziadosz; Editing by Gareth Jones)
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