A flash of comprehension passed through Yue Lei's eyes. "This general understands!"
Gu Yan nodded, then turned to the staff officer in charge of documents and seals. "Also, draft a dispatch at once, send it by urgent courier to the court, and notify the Shandong and Henan circuits as well as all offices along the canal."
"Explain in detail this new situation of the northern barbarians possibly sending light cavalry deep in, to harass our canal transport and disrupt our supply routes."
"Request that the court issue an edict to the nearby prefectures and counties, ordering them to strengthen patrols along the Grand Canal and all major tributaries, with special emphasis on nights and on times of storm, darkness, and foul weather."
