Deals of the day- Mergers and acquisitions
(Adds Twitter, TDC, Polycom, BNP Paribas; updates Metro)
July 8 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1330 GMT on Friday:
** Video conferencing equipment maker Polycom Inc said it agreed to be bought by a private equity firm for about $1.7 billion, scrapping a three-month old deal with Canada's Mitel Networks Corp.
** Emerson Electric Co's alternator business Leroy-Somer is expected to attract firm offers from two Chinese companies and a buyout group in a potential 1 billion euro ($1.1 billion) deal, people close to the matter said.
** Twitter Inc is in talks with the NBA, Major League Soccer and Time Warner Inc's cable network Turner Broadcasting to buy digital streaming rights for content related to major sports and events, Recode reported.