Sergei Aksyonov, a Russian-introduced lead representative, said the crisis happened on the 145th mainstay of the scaffold which connects the Crimean promontory to the Russian district of Krasnodar. He gave no further detail.
The RBC-Ukraine news organization revealed that blasts were heard on the extension.
Crimea was attached by Russia from Ukraine in 2014, however is globally perceived as a component of Ukraine.
Russia's Hazy situation station, an intensely followed Wire channel subsidiary with the Wagner soldier of fortune bunch, detailed that there were two strikes on the extension at 03:04 a.m. (0004 GMT) and 03:20 a.m.
Reuters couldn't freely check the reports. Ukraine did not immediately respond with a response.
It was not promptly clear what the occurrence on the scaffold would mean for the U.N.- handled bargain that permits the protected Dark Ocean commodity of Ukrainian grain. The arrangement is expected to lapse on Monday and was still in an in-between state as of Sunday night.
The 12-mile (19-km) street and rail span was harmed by a blast last October, in an assault that the Kremlin said had been organized by Ukrainian security powers. Ukraine conceded just by implication to the assault months after the fact.
Both Aksyonov and the legislative leader of the Krasnodar area, Veniamin Kondratyev, said that they set up functional base camp in their locales to address the crisis circumstance on the scaffold.
The administration of the peninsula, which is backed by Russia, said that Crimea had everything it needed, but residents shouldn't go over the bridge.
Serhiy Bratchuk, a spokesperson for the Odesa military administration in Ukraine, shared a picture on Telegram of what appeared to be a broken line of the bridge in the distance.
It was not promptly evident whether that was connected with the assault.