The Foreign and Commonwealth Office (FCO) advise against all travel to:
The FCO advise against all but essential travel to:
There were armed clashes in Brazzaville in April and December 2016. Previous periods of unrest have seen an increased police and military presence in Brazzaville. You should maintain a high level of security awareness, avoid political protests and avoid travel after dark.
There is no British Embassy in the Republic of Congo and the level of consular assistance the FCO can offer to British nationals is limited. If you need consular assistance you should contact the British Embassy in Kinshasa, DRC.
Although there’s no recent history of terrorism in the Republic of Congo, attacks can’t be ruled out. See Terrorism
Take out comprehensive travel and medical insurance before you travel.
Source Article from https://www.gov.uk/foreign-travel-advice/congo