ISTANBUL Day two of trilateral talks between Russia, Ukraine, and the US began in the United Arab Emirates, according to state media on Saturday. Citing a source, Russian news agency Tass reported that talks in the Emirati capital Abu Dhabi in “various formats" have resumed following discussions that began on Friday. It reported that negotiating teams are studying and discussing several documents for peace in Ukraine. Tass reported earlier in the day that the talks will once again be held