Teargas is seen being released in Kosovo's parliament in Pristina on 15 October 2015. An opposition lawmaker in Kosovo released teargas in parliament on Thursday, the second such incident in a week to protest a European Union-brokered accord with Serbia. (Reuters)

Teargas is seen being released in Kosovo's parliament in Pristina on 15 October 2015. An opposition lawmaker in Kosovo released teargas in parliament on Thursday, the second such incident in a week to protest a European Union-brokered accord with Serbia. (Reuters)

A Kosovo lawmaker reacts after the opposition releases a tear gas canister, disrupting Parliament's session, in the capital Pristina, Thursday, 15 October 2015. The opposition was protesting the government's recent EU-sponsored deal with Serbia, giving the country's Serb-majority areas greater powers. (AP Photo)

Lawmakers try to remove a tear gas canister thrown by opposition lawmakers in Kosovo, disrupting Parliament's session, in the capital Pristina, Thursday, 15 October 2015. The opposition was protesting the government's recent EU-sponsored deal with Serbia, which gives the country's Serb-majority areas greater powers. (AP Photo)

Teargas is seen released in Kosovo parliament on 15 October 2015. An opposition lawmaker in Kosovo released teargas in parliament on Thursday, the second such incident in a week protesting a European Union-brokered accord with Serbia. (Reuters)

A Kosovo lawmaker covers his mouth and nose with his tie after opposition lawmakers in Kosovo released a tear gas canister, disrupting Parliament's session in the capital Pristina on Thursday, 15 October 2015. The opposition was protesting the government's recent EU-sponsored deal with Serbia, which gives the country's Serb-majority areas greater powers. (AP Photo)

Teargas is seen released in Kosovo parliament in Pristina 15 October 2015. Opposition lawmakers in Kosovo released teargas in parliament on Thursday, the second such incident in a week to protest a European Union-brokered accord with Serbia. (Reuters)

Kosovo lawmakers empty the chamber of Parliament as smoke billows from a tear gas canister thrown by opposition lawmakers in Kosovo, disrupting Parliament's session, in the capital Pristina, Thursday, 15 October 2015. The opposition is protesting the government's recent EU-sponsored deal with Serbia giving the country's Serb-majority areas greater powers. (AP Photo)

Lawmakers leave the chamber after opposition lawmakers in Kosovo threw a tear gas canister, disrupting Parliament's session in the capital of Pristina, Thursday, 15 October 2015. The opposition protested the government's recent EU-sponsored deal with Serbia, giving the country's Serb-majority areas greater powers. (AP Photo)

Teargas is seen released in Kosovo parliament, 15 October 2015. An opposition lawmaker in Kosovo released teargas in parliament on Thursday, the second such incident in a week to protest a European Union-brokered accord with Serbia. (Reuters)

Lawmakers move after the opposition in Kosovo threw a tear gas canister, disrupting Parliament's session, in the capital Pristina, Thursday, Oct. 15, 2015. The opposition was protesting the government's recent EU-sponsored deal with Serbia giving the country's Serb-majority areas greater powers. (AP Photo)

Opposition lawmakers in Kosovo throw a tear gas canister disrupting Parliament's session, in the capital Pristina Thursday, Oct. 15, 2015. The opposition is protesting the government's recent EU-sponsored deal with Serbia giving the country's Serb-majority areas greater powers. (AP Photo)