New York bomb attack injures 29

FBI and other law enforcement officials on Monday investigate a residence in Elizabeth, N.J., in connection to the Saturday bombings in New York and New Jersey.

A member of the NYPD stands guard in New York City’s Herald Square. Following Saturday night’s explosion in the Chelsea neighborhood of Manhattan, Mayor Bill de Blasio has promised a “substantial” police presence throughout the week.

People watch as officials gather evidence at an apartment building in Elizabeth, N.J. Ahmad Khan Rahami, a naturalized citizen from Afghanistan who has lived in the building, is wanted for questioning in the weekend bomb attacks.

A member of the NYPD K-9 Unit patrols on a subway train between Grand Central Terminal and Times Square in Manhattan.

FBI agents on Sunday work a crime scene scattered with debris after a bombing the night before on 23rd Street in Manhattan’s Chelsea neighborhood.

New York Mayor Bill de Blasio, left, and New York Gov. Andrew Cuomo tour the site of the explosion.

A fire truck is at the scene of the explosion on West 23rd Street in Chelsea on Saturday night.

Members of the FBI search for evidence as police, firefighters and emergency workers gather at the scene of an explosion in Manhattan on on Saturday night.

Police and firefighters work at the site of the bombing in Manhattan on Saturday.  (Spencer Platt / Getty Images)