Madrid ( CNN ) -- The office of Libya 's prime minister sent a message to the Spanish government listing `` a series of proposals that could lead to a ceasefire , '' a spokesman for Spanish Prime Minister Jose Luis Rodriguez Zapatero said Thursday . The message , from the office of Prime Minister Baghdadi al-Mahmoudi , was also sent to other European capitals , the spokesman said , adding that he could not name which capitals . Spain has contributed military assets , including troops , to the NATO-led mission to enforce a no-fly zone and protect civilians in Libya .
A list of proposals was sent to several European countries . NATO is enforcing a no-fly zone in Libya .