Students back to Frederick Douglass High School, two days after some students engaged in an exchange with city police.

Baltimore city schools CEO Gregory Thornton welcomed students back to Frederick Douglass High School, two days after some students engaged in an exchange with city police.

Tessa Hill-Aston Baltimore NAACP,President Speaking with Hassan Giordano

Tessa Hill-Aston Baltimore NAACP President

Baltimore Mayor Stephanie Rawlings-Blake and Congressman Elijah Cummings signing the One Baltimore poster after announcing the initiative to address short-term and systemic problems in city neighborhoods.

The Baltimore state's attorney Marilyn J. Mosby announced charges against six police officers In the Freddy Gray case.

Large crowd of protestors at Inner Harbor

Large crowd of demonstrators marching on S. Green Street