Gunmen have killed 20 labourers in Pakistan's restive southwestern province of Baluchistan, officials said Saturday.

"Armed gunmen stormed the camp of labourers in Gokh Don area of Baluchistan late Friday night and killed 20 labourers," senior police official Tariq Khilji told AFP.

The incident was confirmed by Akbar Hussain Durrani, a senior administration official in the province.