Four more people died yesterday from injuries suffered in a minivan accident in Wushan county, Tianshui , on Monday, bringing the death toll to nine, Xinhua reports. The seven-seat van carrying 12 people lost control and rolled down a hill. The youngest victim was two months old.

By analysing wall paintings in the Mogao Caves in Dunhuang , Gansu researchers last year discovered, and either named or identified, more than 40 games played by aristocrats more than 1,000 years ago, Xinhua reports. The caves feature many Buddhist art treasures, and several of the games are still played today. The most popular games included cockfighting, sumo wrestling and ball games.

A middle-aged man from Hunan robbed a female taxi driver in Nanjing on Sunday, but after taking the money could not unfasten a safety belt - which he had never worn before, reports. The driver had assisted the would-be thief in buckling up when he got into the front seat of the car, effectively trapping him. She then drove the thief to her husband and the couple held him until police arrived.

Several drivers have complained that a tunnel in central Nanjing is unsafe because the lights inside were too dim, but the city government said drivers must adjust to the new, environmentally friendly LED lights, reports. The Gulou Tunnel opened last year and uses 30 per cent less power than other tunnels, but some drivers prefer the old, bright-yellow lights.

The Leping city government recently sacked three environment protection officials who last year fined one of the city's largest chemical plants 30,000 yuan for allegedly discharging pollutants, Xinhua reports. The plant complained to the city's party secretary, and a criminal investigation was launched against the Environmental Protection Bureau. The three officials were found to have been "abusing their power" and their colleagues were told to learn from the incident.

Nanchang traffic police launched a month-long campaign yesterday targeting drink and drug driving, with checkpoints being set up for the first time on roads in rural areas, Xinhua reports. Officers were ordered to work on weekends and forgo holidays to help reduce accidents ahead of the Lunar New Year holiday. Random checks also have been held after midnight near some of the popular restaurants and nightclubs.

The Shangluo city government has doubled the frequency of mandatory pregnancy checks on female civil servants, from two to four a year to catch unwanted pregnancies sooner, so a fetus can be aborted with less risk to the woman's health, reports. The policy has drawn complaints from workers.

Shaanxi archaeologists announced on Monday that Fengxiang, one of the driest and poorest counties in the province, had resembled Venice, Italy, about 2,600 years ago, reports. Evidence of ancient rivers, lakes, docks, bridges and a massive drainage system have been unearthed, suggesting that residents used to rely more on boats than roads for transport.

Seven miners were killed in a gas explosion on Monday at a coal mine in Jinzhong city, Xinhua reports. The victims were employees of the Yangquan Coal Industry Group, the largest anthracite producer in China. Authorities have not revealed details of the accident, and no managers in charge of the mine were immediately held responsible.

Luliang police have arrested four farmers for killing and trading wild animals in no-hunting zones last month, Xinhua reports. Investigators found the remains of more than 400 wild species, mostly roe deer and rabbits, in the homes of the suspects, who could face more than 10 years in jail. They allegedly sold most of the animals to restaurants frequented by local government officials.

A maid was detained by police in Chengdu on Monday for abusing her 84-year-old bedridden client, reports. Surveillance camera footage provided by the elderly woman's relatives showed the middle-aged maid using various methods to torture the woman, such as by hitting her with pillows and bending her fingers. The suspect defended her actions to police by saying the client was not her mother, so she was not obliged to treat her well.

Several drivers have complained about a speed trap that traffic authorities in Guanghan laid on a six-lane road in a suburban area, where the speed limit was set at 50km/h and enforced by hidden, radar-equipped cameras. The speed-limit sign was placed behind a tree, where drivers could not see it, reports. Drivers also said they were not notified each time they were cited for speeding, and several people said they instead received a notice from police saying they owed for multiple violations. One driver said that to his surprise he had been cited 120 times last year and owed 14,800 yuan.

Fishermen say that the amount of sea ice that has moved into Tianjin's harbours is greater than during any winter in the past 20 years, and the amount of fish being caught is about half what it was last year, reports. Marine authorities said there was about twice as much ice as the annual average, and they suspected it to be related to climate change.

The municipality plans to burn all non-recyclable rubbish by the end of 2015, and construction of three large incinerators will soon begin to help meet the target, reports. Local authorities claimed that, compared with traditional dumping that may pollute underground water, burning rubbish was relatively harmless.