RIYADH, 19 May — Riyadh Governor Prince Salman will open a weeklong dawa exhibition organized by the Ministry of Islamic Affairs here on June 5, according to Saleh Al-Sheikh, minister of Islamic affairs, endowments, propagation and guidance. He emphasized the significance of Islamic propagation (dawa) and said that mankind was in need of it more than ever before. He added that a large number of public and private establishments and companies will take part in the exhibition. (SPA)