'unleash attack' is an acceptable phrase to use in written English.
It is typically used to describe a focused attack, either literal or figurative. For example: "The company unleashed an attack on their competitors with a new advertising campaign."
Bill Carrick, Mr. Gephardt's media strategist, acknowledged that the campaign was more willing to unleash attacks via mail than television.
Iran's and Syria's defense ministers threatened on Friday to unleash attacks on Israel if Mr. Assad was in danger.
It added that Trump's "hate speech" helped unleash attacks on the media "almost everywhere in the world," including in countries with long democratic traditions, such as Britain, France and Italy.
A network of proxy groups retain the power to unleash attacks on U.S. personnel in the region, as they did in Iraq after 2003.
On Wednesday, Mr. Maliki led a meeting of his top commanders and warned in a statement that the political crisis engulfing his government might encourage insurgents to unleash attacks.
On Monday, the US president, Barack Obama, said he had personally authorised the attack against a target who had "continued to plot against and unleash attacks on American and coalition forces".
The strike, Obama said, "removed the leader of an organization that has continued to plot against and unleash attacks on American and Coalition forces, to wage war against the Afghan people, and align itself with extremist groups like al Qaeda".
His arrest helped reveal what intelligence officials later concluded was a Qaeda plot to unleash attacks during the millennium celebrations, aimed at an American ship in Yemen, tourist sites and a hotel in Jordan, and unknown targets in the United States.
The militants continued to unleash attacks, hitting a checkpoint belonging to government paramilitary forces from the Frontier Corps in northern Buner, and seizing several police stations across the region, including two in the upper reaches of Swat.
