The vice-president and Michigan Democratic senate candidate are in the midst of a war of words that is turning increasingly more personal.
El-Sayed faces Trump ally Mike Rogers in what has quickly become a senate race characterised by personal attacks and insults between the two.
Abdul El-Sayed, the son of Egyptian immigrants, would be the first Muslim US senator if elected in November.
Left-wing outsider Abdul El-Sayed is narrowly ahead of establishment-backed congresswoman Haley Stevens.
Michigan health officials have confirmed the first two deaths linked to the ongoing cyclospora outbreak
Thousands of cyclosporiasis cases have been confirmed across dozens of states - and two people with "significant" underlying conditions have died in Michigan.
The illness caused by parasitic infection that spreads through contaminated food or water is not generally life-threatening, health officials say.
The president says his economic policies are reinvigorating the auto industry and forcing overseas companies to relocate to the US.
