12:01 PM PT -- AP's reporting, citing 2 U.S. officials, the count's now 12 U.S. service members were killed in the bombings -- 11 marines and 1 Navy medic.
11:48 AM PT -- Reports now say at least 10 members of the U.S. military were killed.
10:19 AM PT -- The explosion killed 4 U.S. Marines and injured 3 others ... according to the Wall Street Journal.
8:19 AM PT -- According to various reports attributed to a Taliban official ... 13 people have been killed, including children, in the suicide blast at the airport. There was also a second explosion reported at a hotel nearby.
More chaos in Afghanistan -- there was just an explosion outside the Hamid Karzai International Airport that appears to be a suicide attack ... according to U.S. officials.
The blast reportedly occurred Thursday at one of the entry gates of the Kabul airport, where crowds of Afghans have been gathering to try to get into the airport.
The apparent attack comes shortly after U.S. officials stated they had deep concerns about security around the Kabul airport based on "a very specific threat stream."
President Biden's reportedly been briefed on the explosion, which comes on the heels of his highly criticized decision to withdraw U.S. troops amid the Taliban takeover in the country ... which so far, has led to mayhem and tragedy.