Global media group News Corp. has increased its stake in Rotana Group by acquiring newly-issued shares in the company. The acquisition was announced after a Rotana board meeting, chaired by Prince Alwaleed Bin Talal, chairman of Rotana Holding. News Corp will pay $35 million for the shares, which will take its stake in Rotana to 18.97%. News Corp had previously owned 14.53%.

Saudi prince Alwaleed bin Talal has invested $300 million in Twitter. With Twitter's worth currently estimated at $8 billion, the investment amounts to a 3.75% stake. The prince, who is the second largest investor in Rupert Murdoch's News Corporation, has taken the stake with his Kingdom Holding Company investment firm. "Our investment in Twitter reaffirms our ability in identifying suitable opportunities to invest in promising, high-growth businesses with a global impact," said Alwaleed in a statement.

Zawya Dow Jones reports that U.K. pay television operator British Sky Broadcasting Group PLC (BSY.LN) said Monday it has struck a joint venture with a private investment company owned by Sheikh Mansour bin Zayed Al Nahyan to launch a free-to-air Arabic-language news channel across the Middle East and North Africa region from 2012.