Ms.
Karman is the first Arab woman to win the
Nobel Peace Prize,
BBC News reports.
She has voiced her support of
The Muslim Brotherhood and has called President Morsi's
ousting "undemocratic."
Morsi's supporters have vowed to keep fighting for his reinstatement,
The AFP reports. There have already been two major sit-ins.
An aggressive approach to finding a peaceful solution to the political crisis is currently underway.
Tawakoll Karman was a leading figure in 2011 during the
youth uprising in Yemen which eventually forced out veteran President Ali Abdulleh Saleh.
Egyptian security officers did not give a reason for banning Ms. Karman,
BBC News reports.
