BNP chairperson and former prime minister Khaleda Zia is suffering from high blood pressure and diabetes. "She has very high blood pressure and also is suffering from diabetes related complications," a party source said yesterday quoting Khaleda Zia's doctor who had visited her on Saturday. The detail of her physical condition however could not be known.Meanwhile, BNP on Tuesday announced that its chairperson along with some of her family members would go to Singapore for treatment and return by the end of the month. After taking all preparations for going to Singapore the BNP chairperson cancelled her scheduled trip twice, once reportedly because of sudden deterioration of her physical condition, and the second time because of an extortion case being filed against her younger son Arafat Rahman.