LONDON: Israel struck Gaza’s Nasser Hospital at least four times during Monday’s attack that killed at least 20 people, including five journalists, analysis by BBC Verify has found.

The fact-checking service analyzed new video footage of the Israeli attack, which has drawn global condemnation.

Initial reports in the international press suggested that the facility was struck twice in a “double-tap” attack, with the second strike hitting nine minutes after the first, killing first responders and journalists who had arrived on the scene.

However, the BBC analysis found that the hospital was struck at least four times.

In what was believed to be the first strike, two staircases were hit almost simultaneously by separate munitions.