Japan's defence minister said Sunday there have been an "abnormal" number of flights by Russian military aircraft close to Japanese islands in recent days.

The country's air defence force scrambled fighter jets for seven days in a row through Saturday after spotting Russian military planes flying along the Japanese archipelago, according to the defence ministry.

On Friday six Russian TU-95 bombers were seen flying two by two, with one pair moving around the Okinawan islands and then going north along Japan's Pacific coast.

The two other pairs flew over the Sea of Japan (East Sea). None of the flights intruded into Japanese airspace.
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