He was arrested around 00:01GMT. It has been reproted that other colleagues were sought by security and were either harassed or were not found.
Rajab reports being beaten while detained. Further developments will be posted.
Notes to editors
 Bahrain Center for Human Rights is based in Manama. Their number is +97339633399 [ENDS]
The Islamic Human Rights Commission is an NGO in special consultative status with the United Nations Economic and Social Council.
Islamic Human Rights Commission
PO Box 598
Telephone (+44) 20 8904 4222
Fax (+44) 20 8904 5183