China and Solomon Islands have signed a deal on police cooperation as part of an upgrade of their relations to a “comprehensive strategic partnership”, four years after the Pacific country switched ties from Taiwan to Beijing. The police cooperation pact was among nine deals signed as the prime minister of Solomon Islands, Manasseh Sogavare, met with the Chinese premier, Li Qiang, in Beijing, underlining the Solmons’ foreign policy shift. Sogavare arrived in China on Sunday for his first visit since the two countries struck a security pact in 2022 to the alarm of the US and some Pacific neighbours including...