Syrian state television says these explosions at a military research centre in Damascus were the result of an Israeli rocket attack.<br/> <br />Video footage uploaded to the internet by activists shows huge balls of fire rising into the night sky.<br/> <br />Reuters isn't able to independently verify the content of the footage which was obtained from a social media website.<br/> <br />The blasts shook the Syrian capital in the early hours of Sunday.<br/> <br />The research centre was previously targeted by Israel in January.<br/> <br />Israel made no comment on the latest explosions.<br/> <br />They came a day after an Israeli official said his country was behind an air strike targeting a consignment of missiles in Syria.
