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From the newspaper article titles
[北アルプス・涸沢岳で２人滑落、１人行方不明](http://www.yomiuri.co.jp/national/20150430-OYT1T50157.html),
the second paragraph reads:

> 男性１人が行方不明となり、岐阜県警がヘリコプターで捜索したが見つからず、同日夕、日没のため打ち切った。１日午前から捜索を再開する。

my guess of a translation:

> Being that there is one man whose location is unknown, (security / police)
> from Gifu prefecture searched in a helicopter for him, and without his being
> found, they called-off the search due to sundown. From the morning of the
> first of May, the search will resume."

at the least, what I don't understand is the following:  
"... _捜索したが見つからず_ 、... "

could I segment the sentence as follows:  
"男性１人が行方不明となり、岐阜県警がヘリコプターで捜索した **ん** が、 **行方不明な人が** 見つからず、...."

Even if the explanation is "that is just how newspapers write (in order to
save space)", would not it read more easily and sound more natural to add just
a single comma as such:  
"... _岐阜県警が捜索したが、見つからず_ 、... "
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2015-04-30T16:55:20.717
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2015-05-01T16:45:12.053
2015-05-01T16:45:12.053
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question
grammar translation particles syntax particle-が
why is there a double "が" here: "... 岐阜県警が捜索したが見つからず、..."?
The second が in the snippet 岐阜県警が捜索したが見つからず is not the subject marker, but the
conjunction particle が (which you could replace by け(れ)ど(も)) translating to
"but":

> 岐阜県警が捜索した **が** 見つからず  
>  Gifu Police searched [for the missing person], **but** not finding [him,
> had to call off the search the same evening...]

I don't understand your "sentence segment", so I can't comment on it, but in
any case I agree that the sentence might be a tad easier to parse with a comma
after the が. That said, the commas in the sentence are standard newspaper
style: commas after the omitted conjunction (after なり) and after the ず; and
after 同日夕 for easy reading.
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2015-04-30T19:55:04.410
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2015-04-30T19:55:04.410
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answer