The identity of the attackers will remain up in the air until conclusive proof emerges.
Gwynne Dyer has worked as a journalist, broadcaster and lecturer on international affairs for more than 20 years; his articles are published in 45 countries. His book, "Climate Wars," deals with the geopolitical implications of climate change and has been translated into Japanese, French, Russian, Chinese and a number of other languages.
For Gwynne Dyer's latest contributions to The Japan Times, see below:
Like U.S. President Donald Trump, Boris Johnson lacks a set of objectives that goes beyond merely winning and keeping power.
If China slides into a huge recession, it will drag the rest of the world with it.
The monolithic dominance of Rupert Murdoch's News Corp over the Australian media landscape has few counterparts in other democratic countries, and it is reflexively anti-Muslim and anti-immigrant.
Up to a million Chinese citizens have been sent to concentration camps in Xinjiang for being Muslim, yet the world's 49 Muslim-majority countries have said nearly nothing.
Why does conflict continue between India and Pakistan? The short answer is because the Pakistani Army needs it to.
Technology can't save us, but it can certainly shift the odds in our favor when it comes to the impact of meat consumption on the environment.
We have a mountain to climb to achieve the goals of the Paris agreement and we are not even in the foothills yet.
Clamping down on fishing far from coastal areas would boost fish stocks nearer land.
Most of the players in Syria don't even have a serious strategy, much less a clue about what they want as a final outcome.