An array of political and religious leaders has called for national unity since the disaster.

He was not a strong speaker, and the audience could barely catch his words, which called for national unity.

But Simeon used that occasion to call for national unity and the moment passed.

He made fun of the rote calls for unity that rang throughout the day.

After the explosion on Monday, the city's mayor called for unity.

At times he has called for national unity and calm.

And he called for unity, saying, "We must put aside our differences and work together to meet the test that history has given us."

President goes on television in a statement to the nation where he calls for "reconciliation, faith, unity and calmness."

Opposition groups called for unity in their ranks, with elections expected later this year.

There is a new national anthem calling for unity.