A | Moscow, Oct 12 (UNI) Russia says it has detained eight people in connection with Saturday's explosion on a key bridge linking Russia to Crimea.
Its FSB security service said five of those held were Russians while the others were Ukrainian and Armenian, BBC reported.
It says Kyiv was behind the attack but a Ukrainian official described Russia's investigation as "nonsense".
The news came as explosions were reported in the Ukrainian cities of Kherson, Zaporizhzhia and Nikopol.
BBC's Hugo Bachega in Kyiv said five explosions had been heard in Kherson, one of the largest cities under Russian occupation, while there were unconfirmed reports that the air defence system in the city had been activated.
He said it was not clear what had triggered the explosions.
The blast on the Crimea Bridge was a powerful symbolic blow to Russian President Vladimir Putin, who opened the bridge in 2018, four years after Russia's annexation of Crimea.
President Putin called it an "act of terrorism", saying Ukraine's intelligence agents had aimed to destroy a critically important piece of Russia's civil infrastructure, the report said.
But a spokesman for the Ukrainian intelligence services, Andriy Yusov, rubbished the Russian accusations.
"All the activities of the FSB and (Russia's) Investigative Committee are nonsense," he told Ukrainian media.
"They are fake structures which serve the Putin regime, so we're definitely not going to comment on their latest announcements."
Russian forces retaliated on Monday with a wave of missile strikes across the country, including central Kyiv, killing 19 people.
UNI MR。 新华社成都4月27日电
（记者余里、胡璐）记者27日从中国野生动物保护协会获悉，日前，中国野生动物保护协会与美国圣迭戈动物园签署了大熊猫保护合作协议，将选择一对大熊猫前往美国圣迭戈动物园，开启为期10年的大熊猫国际保护合作。
B | 为确保两只大熊猫在美健康生活，今年3月，中国野生动物保护协会组织专家前往美国，与圣迭戈动物园就开展大熊猫合作进行深入磋商，开展技术指导与交流，明确大熊猫饲养管理、居住环境、健康护理等标准要求。 按照协议内容，双方正在积极推进大熊猫赴美前相关准备工作。中方从中国大熊猫保护研究中心选定了一对大熊猫“云川”（雄性）、“鑫宝”（雌性），并为两只大熊猫安排了经验丰富的饲养师和兽医陪同赴美。 美方正在对大熊猫场馆进行改造提升，为大熊猫创造更大、更舒适的生活环境。同时，动物园还为两只大熊猫配备了曾在中国学习交流大熊猫饲养管理、日常护理及相关科研技术的专业团队。 美国圣迭戈动物园是世界五大动物园之一。1996年，双方正式开启大熊猫合作，来自中国大熊猫保护研究中心的“白云”“石石”成为第一对旅居圣迭戈动物园的大熊猫。
C | 此后的23年时间里，双方在野生大熊猫生态学、行为学、遗传结构、监测技术、人工繁育、疾病防治、营养学、伴生物种研究以及公众教育等方面开展广泛合作交流，联合攻克了系列技术难题。其中包括对大熊猫繁育、栖息地保护、大熊猫辅助营养等重点领域的重要发现。培养了一批优秀专业人才，有效提升大熊猫保护科研水平。
D | 先后旅居圣迭戈动物园的大熊猫“白云”“石石”“高高”繁育的“华美”“美生”等6只大熊猫，不仅是中美两国大熊猫科研合作的结晶，更是促进两国友好交流的可爱使者，为增进中美两国人民友好作出了积极贡献。 《 人民日报 》（ 2024年04月28日 03 版）。
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