Four buses belonging to the Chania bus company, have been impounded for violating an existing ban by the National Transport Safety Authority (NTSA).

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The buses were impounded on Monday night, by police in Emali en route to Mombasa.

NTSA had banned Chania buses from operating after their bus was involved in a grisly road accident at Manga, leaving six passengers injured.

Confirming the incident, Nzaui sub-county police commander Okumu Dullo said drivers of the seized buses will be arraigned in court for violating an existing ban.

"We are preparing to arraign the three drivers at Makindu Law Courts today (Tuesday) for violating an existing NTSA ban," Okumu said as quoted by Nation.

The move left over 180 passengers stranded, with no alternative transport, as most bus companies are already fully booked.

Addressing the media, the affected passengers said they were not aware of the ban, and appealed for a refund of their fare.

The move comes a few days after NTSA banned Modern Coast buses from operating, over safety concerns.

Modern Coast was, however, cleared and has resumed operations across the country.