BEIJING—China has suspended imports of beef from Lithuania since Wednesday, the General Administration of Customs said, amid a growing trade spat with the Baltic nation and its Western allies that is centered on Chinese-claimed Taiwan. Customs did not give a reason for the suspension. The agency typically halts import of meat if the exporting nation reports an outbreak of disease in its livestock. Lithuania has not reported any animal disease to the World Organization for Animal Health (OIE) recently. The move comes, however, after Britain said on Monday it will join the United States and Australia in backing an EU trade case against China at the World Trade Organization over Beijing’s alleged trade curbs on Lithuania. The European Commission says Lithuanian exports to China fell 91 percent in December compared to the same month in 2020. Lithuania allowed Taiwan to open a de facto embassy in its capital Vilnius last …