article_snippet.sent: Rev Howard-John Wesley opened the festive service by welcoming Sasha Obama, before urging the congregation not to take selfies with Rev Howard-John Wesley.
article_snippet.sent: This is not selfie time,' Rev Howard-John Wesley said jokingly. '
article_snippet.sent: Churchgoers traditionally walk around to shake hands and give hugs during the greetings and announcements portion of service, but the pastor encouraged the crowd to stay in the crowd seats and greet only their closest neighbors, as the sanctuary was tightly secured with Secret Service agents.
article_snippet.sent: People queued around the block for the service in Alexandria, monitored by federal security officers .