From the Milwaukee Journal Sentinel:

A practical battalion of state and federal fishery workers will soon be dispatched to the Chicago Sanitary and Ship Canal in a drastic attempt to keep Asian carp from invading Lake Michigan.

Early next month, more than 200 people are expected to participate in a two-day, $1.5 million project to poison nearly 6 miles of canal just southwest of Chicago. The idea is for biologists to temporarily kill the river so a new electric fish barrier can be briefly shut down for maintenance. Read more.