Bahrain's national dialogue launched in February and aimed at ending the Gulf monarchy's political deadlock since a 2011 Shiite-led revolt resumed on Wednesday after a two-month summer break.
Opposition and government representatives took part in the Manama talks, participants said.
Signup to our newsletter and follow us on Facebook and Twitter!
Led by the influential Shiite group Al-Wefaq, the opposition is taking part in the dialogue while keeping up street protests to call for reform in the Shiite-majority, Sunni-rule state.
Bahraini authorities in 2011 crushed mass pro-democracy demonstrations in the capital with the help of Saudi-led troops but sporadic protests have continued in the Shiite villages.
At least 80 people have been killed in Bahrain since Arab Spring-inspired pro-democracy protests erupted in February 2011, according to the International Federation for Human Rights.