In this task, you are given a piece of an article. Your task is to generate a short summary of the text. Try to give the summary in just one sentence.

Russia held a tank biathlon -- between them, Belarus, Armenia and Kazakhstan -- and they supposedly challenged the US to one.
Russia held a tank biathlon - and Belarus supposedly challenged the US to one.

Tiger Woods hits golf balls from Asia to Europe on the Bosphorus Bridge to publicise his involvement in the Turkish Open golf tournament.
Lewis Hamilton hailed Sebastian Vettel as a great champion.

Tiger Woods hits golf balls from Asia to Europe on the Bosphorus Bridge to publicise his involvement in the Turkish Open golf tournament.
Lewis Hamilton hailed Sebastian Vettel as a great champion.