Photos:: Trump’s Fourth of July speech inserts politics and protests into national celebration

The crowd welcomes the president and first lady to the Independence Day celebration in front of the Lincoln Memorial.

The president and first lady at the Lincoln Memorial Fourth of July event in Washington.

President Trump, bottom, speaks in front of the Lincoln Memorial.

People gather near a Bradley fighting vehicle on the National Mall before the “Salute to America” event Thursday.

Ducks join the crowds at the National Mall on Independence Day.

Participants in Washington’s Fourth of July parade found themselves marching in the rain.

U.S. Marines perform in Washington’s Independence Day parade.

The parade could be seen onscreen from the National Mall before President Trump’s speech.

People gather on the National Mall before the “Salute to America” Fourth of July event.

A large American flag balloon is prepared for the Independence Day parade in Washington.

Participants keep an Uncle Sam balloon under control before Thursday’s parade.

A protester helps move a “Baby Trump” balloon into position before Independence Day celebrations on the National Mall.

A Baby Trump balloon overlooks the National Mall in Washington before Independence Day celebrations.

Protesters gather around the “Baby Trump” balloon in Washington.

Crowds try to stay dry in Washington’s Independence Day rain.

One participant’s patriotic look for the Independence Day parade along Constitution Avenue in Washington.

Secret Service members detain a man Thursday after an attempted flag burning in front of the White House.

A decked-out Cadillac joins the parade along Constitution Avenue in Washington.

One of the more colorful participants in Washington’s Fourth of July festivities.

A plane flies through cloudy skies past a screen on the National Mall showing the American flag.