NEW : Video obtained by KTVU shows a ball of fire erupting in front of the consulate . Video shows a person throwing what appears to be buckets of gasoline , consulate officials say . Surveillance video obtained exclusively by CNN affiliate KTVU appears to show a person standing in front of the consulate . The video was posted on YouTube and has been viewed more than 1 million times since it appeared late Tuesday night. `` We strongly condemn this despicable attack , '' Wang Chuan , the consulate spokesman , said .
NEW : Video obtained by KTVU shows a ball of fire erupting in front of the consulate . Video shows a person throwing what appears to be buckets of gasoline , consulate officials say . The video was posted on YouTube and has been viewed more than 1 million times since it appeared late Tuesday night. `` We strongly condemn this despicable attack , '' Wang Chuan , the consulate spokesman , said .