It is the Oxford English Dictionary's, sense 10(b) of the verb to pull.
Essentially it means "put a stop to something*. It is said to be of US origins, and the first OED example from the Baltimore Sun in 1937. Though it wasn't in that instance, it is often applied to the stopping of a newspaper report or publication.
*10. b. transitive. colloquial (originally U.S.). To withdraw from publication, circulation, or use; to cancel or revoke (a business
deal, etc.); to recall or rescind (a document); to cease to operate or
make use of.
1937 Sun (Baltimore) 22 May 18/3 We are pulling the fires under
most of the boilers but leaving sufficient boilers to maintain steam
1967 Los Angeles Times 15 Jan. g4/4 Staughton Lynd of Yale made an
unauthorized trip to North Vietnam in 1965, and the department pulled
1978 G. Bordman Amer. Musical Theatre ii. 96 Previous commitments
forced it to be pulled when its initial booking ended.
1986 Times 11 Oct. 21/5 Some dealers were convinced the deal had
been pulled at the last minute after a disagreement over the price.
2005 Gazette (Montreal) (Nexis) 12 Mar. a7 The Gazette has joined
several other newspapers that have decided to pull any further Julie