DAR ES SALAAM, May 5 -- Tanzania's 396-kilometer highway connecting the port city of Dar es Salaam and southern regions of Lindi and Mtwara was shut down on Sunday after flash floods washed away at least four main bridges, said an official.

"The highway has been closed until further notice," Joseph Mwasabeja, the Tanzania Fire and Fescue Force commander for Lindi region, told Xinhua when reached on phone.

Mwasabeja said the flash floods were triggered by an overnight heavy rain caused by the tropical cyclone Hidaya before it completely lost its strength after its landfall on Mafia Island earlier on Saturday.

He said the floods washed away bridges over Mbwemkuru, Somanga, Mikereng'ende and Matandu Rivers in Kilwa district in Lindi region.

Mohamed Nyundo, Kilwa district commissioner, said the floods also submerged several houses in seven villages, displacing scores of villagers and damaging hundreds of hectares of farm crops.

On Saturday night, The Tanzania Meteorological Authority declared that tropical cyclone Hidaya had completely lost its strength following its landfall on Mafia Island earlier on Saturday.

The tropical cyclone was forecast to hit the country's Indian Ocean coast regions of Mtwara, Lindi, Coast, Tanga and Dar es Salaam.

  - Xinhua