Deadline

Deadline is a 1987 war drama film directed by Nathaniel Gutman. It stars Christopher Walken as American journalist Don Stevens, who is set up amidst the Lebanese Civil War and is fed false information. An international co-production of Israel, the United States, and West Germany, the film was shot in Israel and was released in some countries under the title Witness in the War Zone.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.