Turkey Increases Pressure On Syria Over Oppression.

ISTANBUL -- Turkish officials continued Tuesday to step up pressure on Syria, saying they would consider having their military cross the border to impose a safety zone if the Assad government failed to stop killing citizens demanding democratic change. Foreign Minister Ahmet Davutoglu said Tuesday that his government was hopeful that an incursion would be unnecessary and that Syria would respond to sanctions imposed Sunday by the Arab League. But the Syrian government has shown no willingness to abide by its neighbors' demands, declaring the Arab League move ''economic war.'' [ABSTRACT FROM AUTHOR]