President Obama appeared at a campaign rally in Boston for US Senate candidate Edward Markey on Wednesday.

“I’ve got to have folks in the United States Senate who are willing to stand up for working people just like I am,” Obama said to cheers.

Markey introduced the president, lauding him as “an extraordinary leader for our country” and praising his accomplishments.

Obama and Markey shook hands during the rally at the Reggie Lewis Track and Athletic Center in Roxbury.

President Obama greeted the crowd after his speech.

Mayor Thomas M. Menino, cheered by a supportive crowd, spoke before Markey and Obama.

Markey and Obama made a stop at Charlie’s Sandwich Shoppe in the South End before attending the rally.

President Obama chatted with a customer at Charlie's Sandwich Shoppe as Markey looked on.

Obama posed with Leilani Guthrie, 11, as her parents, Natalie and Sean Guthrie, took a photo.

Obama hugged and greeted patrons in the hole-in-the-wall spot that has drawn other famous customers over the years.

Burger in hand, President Obama left the South End eatery before heading to a campaign event for Edward Markey in Roxbury.

Mayor Menino, Governor Patrick, and Markey greeted President Obama upon his arrival at Logan Airport.