The United Kingdom has issued a travel warning for people who want to come to Bolivia:
Foreign Travel Advice
Still current at: 21 July 2015
Updated: 21 July 2015
Latest update: Summary – industrial action in Potosí has led to road closures and shortages of food and water; if you attempt travel to Potosí, you may find it difficult to get into the city and you may become stranded there
Industrial action in Potosí has led to road closures and shortages of food and water in the city. Transport including tourist buses are affected. There’s no indication of how long this industrial action will last. The local authorities have arranged for foreign nationals to leave the city, and most have done so.
If you attempt travel to Potosí, you may find it difficult to get into the city and you may become stranded there. Monitor local media, avoid any large gatherings and follow the advice of the local authorities.
Social conflict is common in Bolivia and blockades may occur along the main roads. Public transport can be disrupted at very short notice and strikes may result in widespread road blockades, including on roads to and from airports. You should never try to cross a blockade. See Road travel and Road blockades
There is a risk of ‘express kidnappings’. Take care when travelling around Bolivia, particularly when you first arrive. If you take a taxi, use a registered company. See Crime
There is a low threat from terrorism. See Terrorism
Carry a photocopy of your passport, including the personal details, entry stamp and disembarkation card with you at all times in case it is requested by immigration officials or the police. See Local Laws and Customs
Parts of Bolivia, including La Paz are at high altitude. See Health
Take out comprehensive travel and medical insurance before you travel.