What is Israel afraid of? Using the old "enclosed military area" excuse to prevent coverage of its occupation of Palestinian land has been going on for years. But the last time Israel played this game – in Jenin in 2000 – it was a disaster. Prevented from seeing the truth with their own eyes, reporters quoted Palestinians who claimed there had been a massacre by Israeli soldiers – and Israel spent years denying it. In fact, there was a massacre, but not on the scale that it was originally reported.

Now the Israeli army is trying the same doomed tactic again. Ban the press. Keep the cameras out. By yesterday morning, only hours after the Israeli army went clanking into Gaza to kill more Hamas members – and, of course, more civilians – Hamas was reporting the capture of two Israeli soldiers. Reporters on the ground could have sorted out the truth or the lie about that. But without a single Western journalist in Gaza, the Israelis were left to tell the world that they didn't know if the story was true.

On the other hand, the Israelis are so ruthless that the reasons for the ban on journalism may be quite easily explained: that so many Israeli soldiers are going to kill so many innocents – more than three score by last night, and that's only the ones we know about – that images of the slaughter would be too much to tolerate. Not that the Palestinians have done much to help. The kidnapping by a Palestinian mafia family of the BBC's man in Gaza – finally released by Hamas, although that's not being recalled right now – put paid to any permanent Western television presence in Gaza months ago. Yet the results are the same.

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Back in 1980, the Soviet Union threw every Western journalist out of Afghanistan. Those of us who had been reporting the Russian invasion and its brutal aftermath could not re-enter the country – except with the mujahedin guerrillas. I received a letter from Charles Douglas-Hume, who was editor of the The Times – for which I then worked – making an important observation. "Now that we have no regular coverage from Afghanistan," he noted on 26 March that year, "I would be grateful if you could make sure that we do not miss any opportunity for reporting on reliable accounts of what is going on in that country. We must not let events in Afghanistan vanish from the paper simply because we have no correspondent there."

That the Israelis should use an old Soviet tactic to blind the world's vision of war may not be surprising. But the result is that Palestinian voices – as opposed to those of Western reporters – are now dominating the airwaves. The men and women who are under air and artillery attack by the Israelis are now telling their own story on television and radio and in the papers as they have never been able to tell it before, without the artificial "balance", which so much television journalism imposes on live reporting. Perhaps this will become a new form of coverage – letting the participants tell their own story. The flip side, of course, is that there is no Westerner in Gaza to cross-question Hamas's devious account of events: another victory for the Palestinian militia, handed to them on a plate by the Israelis.

But there is also a darker side. Israel's version of events has been given so much credence by the dying Bush administration that the ban on journalists entering Gaza may simply be of little importance to the Israeli army. By the time we investigate, whatever they are trying to hide will have been overtaken by another crisis in which they can claim to be in the "front line" in the "war on terror".