MOSCOW (Reuters) -The Russian Yamal-Europe pipeline was halted on Wednesday after westbound flows overnight from Poland to Germany while Russia’s Gazprom booked capacity for transit in on Wednesday night, data from pipeline operator Gascade and auction results showed. Overnight flows via the Mallnow metering point were at about 16 million to 19 million kilowatt hours per hour (kWh/h) overnight before they were halted in the morning. There were some reverse, eastward, flows to the tune of about 5 million kWh/h for three hours before the afternoon. Russian energy giant Gazprom booking of additio…