block the way

See: estop
References in periodicals archive ?
The PTI leader said it was very difficult for them to block the ways of horse-trading that has jumped to record Rs40 to Rs80 million a night before election polling and alleged massive horse trading mostly by the women and disgruntled PTI legislatures.
In response, the PAC deplored over non-serious attitude of the concerned authorities in punishing the corrupt people and urged for measures to block the ways for such scams in the future.