Egypt’s top security body warned that the clock was ticking for a peaceful end to the stand-off over sit-ins by supporters of ousted president Mohammed Morsi, suggesting authorities would break up the protests unless mediation produced results soon.

Yemen’s Nobel Peace Prize winner Tawakkul Karman has been denied entry into Egypt after she landed at Cairo airport, officials said.

Three women have won the Nobel Peace Prize in recognition of the importance of women’s roles in the spread of global peace, writes Bjoern Amland.

The 2011 Nobel Peace Prize was awarded today to Liberian President Ellen Johnson Sirleaf, Liberian peace activist Leymah Gbowee and Tawakkul Karman of Yemen for their work on women’s rights.