(Corrects attribution in third para, adds army denial)

GAZA, Nov 29 (Reuters) - The Palestinian group Hamas has claimed responsibility for Friday's shelling of an Israeli military base along Israel's frontier with the Gaza Strip where six soldiers were wounded.

"In response to the crimes of the (Israeli) occupation, the Izz el-Deen al-Qassam brigades attacked the Nahal Oz military base," Hamas's armed wing said on Saturday, referring to the border kibbutz that has a military garrison.

Three mortar bombs landed in Nahal Oz on Friday, hours after Hamas said an Israeli air strike wounded two of its militants in the Gaza Strip. The Israeli army denied carrying out any air strike.

Militants have fired dozens of rockets and mortar bombs at Israel in the past three weeks after it launched raids that killed over a dozen gunmen, and closed crossing points with Gaza, limiting aid supplies to the Hamas-run coastal territory. (Editing by Mark Trevelyan)

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