News of Wednesday 23 January 2019

• Leader says Iran must increase pace of scientific progress
• NIOC to issue fixed rate bonds to finance projects
• Iran plans developing 30 more biotech drugs
• In letter, Palestinian Authority asks US to drop all remaining aid
• Denver public school teachers vote to strike over pay, incentives
• Iran firms defy sanctions by signing $1 billion in oil deals
• Syria warns of attack on Tel Aviv airport if UN fails to halt Israeli aggression