A visitor signing a book of condolence at the Venezuelan embassy in Doha yesterday. The Emir H H Sheikh Hamad bin Khalifa Al Thani, the Heir Apparent H H Sheikh Tamim bin Hamad Al Thani and the Prime Minister and Foreign Minister H E Sheikh Hamad bin Jassem bin Jabor Al Thani sent cables of condolences to Venezuelan Vice-President Nicolas Maduro on the death of President Hugo Chavez. Ibrahim RO