One migrant has died after a dinghy "deflated" in the Channel, plunging dozens of people into the water.
A Coastguard helicopter has been scrambled, along with lifeboat crews and Border Force personnel.
Kent Police said a woman died in the tragedy.
A source told the Daily Express the dinghy deflated as it reached UK waters.
Two seperate sources have claimed a migrant has died, prompting renewed fears over the callous tactics used by the people smugglers.
The RNLI have confirmed their involvement in "incidents in the Channel" on Tuesday afternoon.
An RNLI spokesperson said: "RNLI lifeboats have been tasked by HM Coastguard to incidents in the Channel today."
Two coastguard vans and ambulances are waiting to receive migrants at the Port of Dover.
You may also like
Vishal Venkat's 'Sila Nerangalil Sila Manidhargal' to be re-released on September 19
Peterborough house fire 'murder' as police find dead body and accelerant
Man Parades Estranged Wife & Male Friend With Hands Tied On Street In Odisha's Puri
'Ghadi Toh Pehna Nahin Hai But Sootron...': Suryakumar Yadav Gives Cheeky Response To Question During Practice Session Ahead Of Team India's Asia Cup 2025 Opener; Video
Energy firm giving away up to 16 hours free electricity to UK households