Samoa signs China bilateral agreement during Pacific push by Beijing

Scant details released apart from promises of infrastructure support, amid western concerns that China is seeking to expand its security presence in region

Samoa signed a bilateral agreement with China on Saturday, promising greater collaboration", as Beijing's foreign minister continues a tour of the Pacific that has sparked concern among western allies.

The deal's details are unclear, and come midway through a Chinese delegation's eight-nation trip - but an earlier leaked draft agreement sent to several Pacific countries outlined plans to expand security and economic engagement.