11.   Lebanon regards itself as being at war with Israel and bans any contact with the state.

12.   Lebanon, which is technically at war with Israel, bans any contact with the Jewish state.

13.   Lebanon considers itself at war with Israel and bans any contact with the state.

14.   Lebanon is still technically at war with Israel and bans any contact with the Jewish state.

15.   Lebanon considers itself at war with Israel and bans any contact with the Jewish state.

16.   Lebanon regards itself as at war with Israel and bans any contact with the Jewish state or its citizens.

17.   Most of the Taiwan-China trade is conducted through Hong Kong because Taiwan bans official contacts with Beijing.

18.   On Wednesday, the Serbs banned contacts with the Muslim-led government.

19.   Taiwan still bans direct contact with China, but trade between the two has blossomed, conducted through third countries, mainly British-ruled Hong Kong.

20.   South Korean laws ban contact with North Koreans without prior government permission.