ISLAMABAD, Dec. 24 (Xinhua) -- At least 10 people were killed and 15 others injured in a fatal road crash in 's southern Sindh Province on Sunday morning, local Urdu TV channel reported.

Two passenger coaches collided with each other on the Indus Highway area in Sehwan Sharif district of the province, senior superintendent of police in the district said, adding that women and children were among the killed in the accident.

The two vehicles coming from opposite direction had a head-on collision, following which one of the passenger coaches turned turtle, resulting in the number of casualties.

Police said that the crash occurred due to over-speeding, and the drivers of the two coaches fled the site following the accident.

All the injured have been shifted to a nearby hospital where several of them are said to be in critical condition.

Road accidents frequently happen in Pakistan, mainly due to poorly maintained vehicles, dilapidated roads and negligence of road safety measures. Traffic police officials say that most of the accidents happen in the country due to human error.?