乌克兰国家安全局（SBU）6月3日凌晨对克里米亚大桥实施首次水下***袭击，这条俄罗斯关键补给线已是第三次遭乌方打击。

这座连接俄本土与克里米亚半岛的桥梁（又称刻赤海峡大桥）此次遭遇了来自水下的攻击。  

据SBU披露，这项秘密行动策划历时数月。

乌方特工在桥墩水下基座安装***，于当地时间4时44分精准引爆。

该机构称使用了当量超1100公斤***的爆炸装置，对桥梁水下基础结构造成严重破坏，未报告平民伤亡。  

SBU局长瓦西里·马柳克中将据称亲自指挥了此次行动。

他在声明中表示，这是继2022年和2023年后乌克兰第三次袭击该桥，强调大桥是"合法军事目标"，因俄军持续通过该桥向占领区运送部队和补给。

马柳克警告："乌克兰不承认俄方在其领土建造的任何基础设施"，乌媒引述其表态称"克里米亚属于乌克兰"。  

SBU公布的8秒视频显示桥体附近水面发生剧烈爆炸并伴随浓烟，另有一张静态照片疑似显示桥栏杆受损，但画面未清晰呈现整体破坏程度。

尽管未说明视频来源，有分析认为可能截取自大桥安防监控系统。  

俄方承认爆炸事件。

克里米亚大桥官方Telegram频道称桥梁临时关闭检修，4小时后（当地时间9时许）恢复通车，两侧检查站未出现拥堵。

亲俄Telegram频道"Romanov Light"声称桥墩经检查无恙，但呼吁政府加强水下防御，建议安装声呐探测、反鱼雷系统及水下屏障。  

当日15时许，乌方Telegram频道"克里米亚之风"报道称俄方挫败了第二轮海上无人机袭击，当地居民听到爆炸声并目睹直升机沿岸巡逻。

俄方发布视频显示一架"柳叶刀"无人机摧毁了乌军水面无人艇。

事件导致大桥再次短暂关闭，17时42分重新开放。  

有未经证实的消息称乌方可能动用了"马里奇卡"水下无人机，但未公开影像证据。

此次袭击发生前两日，乌克兰刚对俄空军基地实施代号"蜘蛛网行动"的大规模无人机打击，乌官员宣称重创多架战略轰炸机等高价值目标。  

这座2018年通车的19公里长大桥是俄本土与2014年"吞并"的克里米亚半岛间重要纽带，2022年全面入侵以来更成为俄军向南线输送兵力和物资的"动脉"。

尽管俄方坚称大桥未受严重损害，SBU仍宣称水下***已令桥梁进入"紧急状态"。

▲Image for representation purposes only

英文原文

Ukraine’s Security Service (SBU) has carried out a unique underwater operation to strike the Crimean Bridge, Russia’s key supply route, early Tuesday morning, June 3. The bridge, also known as the Kerch Bridge, was hit for the third time by Ukrainian forces, but this time the attack came from below the water.

According to the SBU, the secret operation had been in planning for several months. Ukrainian agents planted explosives on one of the bridge’s underwater pillars and detonated the device at exactly 4:44 a.m. local time. The agency stated that over 1,100 kilograms of explosives, in *** equivalent, were used in the blast, which it claimed caused serious damage to the underwater base of the structure. No civilian casualties were reported.

The head of the SBU, Lieutenant General Vasyl Malyuk, was said to have personally overseen and coordinated the operation. In a statement, he said that this was the third time Ukraine had targeted the bridge after previous attacks in 2022 and 2023. He added that the bridge is a legitimate military target, as it has been used by Russia to transport troops and supplies into occupied Ukrainian territory.

Malyuk stated that Ukraine does not recognise any Russian-built infrastructure on its land and warned that such facilities would continue to face a strong response. “Crimea is Ukraine,” he said, as quoted by Ukrainian media.

The SBU also released an 8-second video clip showing a blast erupting from the water near the bridge, followed by a plume of smoke. They also shared a still image showing what appears to be damage to the bridge’s guardrail. However, the footage does not clearly show the full extent of the damage. The SBU did not reveal how the video was obtained, though some reports suggest it may have come from the bridge’s own *** security system.

Russian authorities acknowledged the explosion. The official Crimean Bridge Telegram channel said that the bridge had been temporarily closed for inspection but reopened just over four hours later, around 9:00 a.m. local time. It stated that vehicle traffic had resumed and there were no delays at the inspection points on either side of the bridge.

A Russian Telegram channel known as Romanov Light claimed that the bridge support was inspected and found to be undamaged. The same channel, however, expressed concern about the attack and urged the government to strengthen underwater defenses around the bridge. The suggestions included installing echo sounders, anti-torpedo systems, and additional underwater barriers.

Later in the day, Ukrainian Telegram channel Crimean Wind reported that there was a second attack attempt on the bridge using sea drones around 3 p.m. local time. Residents in the area heard an explosion, and a helicopter was seen patrolling along the coastline. Russian sources claimed they repelled the drone attack and released a video that showed a Ukrainian su***ce drone boat being destroyed by a Russian Lancet drone.

Following this second incident, Russian authorities again closed the bridge temporarily and asked people in the area to remain calm. The bridge was later reopened around 5:42 p.m., according to the latest official updates.

There have been unconfirmed reports that Ukraine might have used its Marichka underwater drone for the operation, though no visual proof has been made public.

This underwater attack came just two days after Ukraine launched a major drone strike on Russian airbases, a mission known as “Operation Spider’s Web.” Ukrainian officials claimed that the earlier strikes damaged or destroyed strategic bombers and other high-value aircraft, although the exact number of aircraft affected has not been independently confirmed.

The 19-kilometre-long Crimean Bridge, opened in 2018, is a vital connection between Russia and the Crimean Peninsula, which Russia annexed in 2014. The bridge has been crucial for moving troops, weapons, and supplies into southern Ukraine since the start of Russia’s full-scale invasion in 2022.

Despite the reopening and Russian claims that the bridge was not seriously harmed, the SBU continues to describe the structure as being in a “state of emergency” due to the underwater blast.

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