Former Czech President Vaclav Havel protests imprisonment of Chinese dissident Liu Xiaobo . Havel put letter of protest in the mailbox of the Chinese Embassy in Prague . Liu has been one of China 's most prominent dissidents since 1989 Tiananmen Square protest . Havel chose the anniversary date specially to make the protest , he said . Comment:
Former Czech President Vaclav Havel protests imprisonment of Chinese dissident Liu Xiaobo . Havel put letter of protest in the mailbox of the Chinese Embassy in Prague . Liu has been one of China 's most prominent dissidents since 1989 Tiananmen Square protest . Comment: