	belgian central bank buys currency to repay debt the belgian national bank bought foreign currencies against francs on the open market in the week ended march a bank spokesman said in line with central bank policy he declined to give any details of the amount bought the foreign currency purchased was used by the treasury to repay foreign debt and did not affect the bank s foreign exchange reserves they slipped mln francs to billion mostly due to sales of dollars for special drawing rights the spokesman said reuter 
