Kyrgyzstan's interim government has asked Russia to help end ethnic clashes in the southern city of Osh, in which more than 60 people have been killed and over 650 people have been hurt. But Russia said for the time being it would not send troops to Kyrgyzstan. but would send humanitarian aid to the violence-hit region.A spokeswoman for Russian President Dmitry Medvedev said it is an internal conflict and for now Russia does not see the conditions for taking part in its resolution. Russian media quoted an unnamed senior military source as saying that 150 Russian soldiers based near the Kyrgyz capital have been given no instruction to intervene. Thousands of ethnic Uzbeks have massed at the Kyrgyz-Uzbek border as they try to escape fighting between Kyrgyz and Uzbeks that has raged for two days. One child was crushed to death at the border. Meanwhile, a state of emergency has been declared in a second southern city, Jalalabad, as "the area of ethnic instability is expanding", an official with the interim government said. Kyrgyz TV reported that the country's borders with Tajikistan and China have been closed because of the unrest. The leaders of Russia and China – which borders Kyrgyzstan – have appealed for calm.