Amid an uproar over alleged poison pen letters urging Chinese voters to reject Umno’s candidate in Mahkota, former Penang deputy chief minister P Ramasamy suggested it could have come from disgruntled DAP members.

Ramasamy, a former DAP member, claimed that local DAP factions may be unhappy with the party’s evolving ties with its former rival, Umno.

“These groups may be unhappy with the DAP’s partnership with Umno and are seeking to...