Obama team tweets campaign message on 9/11 anniversary, day bodies returned from Libya

President Obama and his re-election team marked the anniversary of the 9/11 terror attacks and events related to the killing of four Americans abroad that day with a slate of official and somber events. But they also took to Twitter for some campaign business on both days.

"The election is in eight weeks. Sign up to volunteer," reads the first tweet, on Wednesday, the 11th anniversary of the deadly attacks, from @BarackObama.

The tweet went out at 7:07 a.m. President Obama and first lady Michelle Obama then appeared on the White House South Lawn and bowed their heads at 8:46 a.m. --  the exact time the first hijacked plane struck the North Tower of the World Trade Center. The event was followed by the president and first lady laying a wreath at the Pentagon, where the third plane struck.

The Obama campaign declined to comment Saturday for this story.

The second tweet, about a sale of Obama apparel, was posted Friday, about 30 minutes before Obama arrived at Andrews Air Force Base to welcome home the bodies of the four Americans – including U.S. Ambassador Chris Stevens -- killed at the U.S. Consulate in Benghazi, Libya.

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"You would expect nothing less from a president whose priorities have been misplaced ever since he came to office," Paul Lindsay, communications director for the National Republican Congressional Committee, said Saturday.

The second tweet read: "Winter is coming, but these sweatshirts are perfect for fall."