On high alert, Lebanon stood poised to head off any spillover from the violence in Iraq, with politicians across the spectrum calling for the country to be insulated from the impact of the jihadist offensive there.

Lebanese political and security authorities are carefully eyeing dramatic developments in Iraq, and have adopted a series of preventive measures to avoid ripples of the conflict being felt here, security sources told The Daily Star.

The Lebanese Army continued patrols through the weekend that began Friday near the border with Syria in search of gunmen and terror suspects, the sources said. […]