U.S. senators in Cairo urge dialogue and no violence in Egypt crisis

CAIRO (Reuters) - Two U.S. senators visiting Cairo on Tuesday urged both sides in Egypt's political crisis to start a national dialogue and to avoid violence.

Senators Lindsey Graham and John McCain, on a mission for U.S. President Barack Obama to help resolve the crisis brought on by the overthrow of President Mohamed Mursi last month, also called for the release of political prisoners.