7 expressways were closed due to the fog. (Xinhua)

     BEIJING, Nov. 5 (Xinhuanet) -- China's capital was blanketed by heavy fog Saturday morning, with alarm emitted twice and seven expressways closed for the day.

    Local meteorologists said warning signals were given for the foggy weather at around 5:20 and 11:00 on Saturday morning. The air quality and visibility were poor in Beijing, though part of the city had a drizzle in the morning, they added.

    According to the meteorologists, a gale of cold air went southward to Beijing on Saturday afternoon but failed to disperse the fog immediately, with low visibility persisting for the time being.

    Local traffic control sources said seven expressways from Beijing had been closed since Friday night.

    On Sunday, the fog is expected to disperse and the sky will turn clear, with the wind becoming moderate, the local meteorologists forecast. Enditem