Tropical Storm Manuel swept onto Mexico’s Pacific coast on Sunday while Hurricane Ingrid swirled offshore on the other side of the country, as heavy rains and landslides caused at least 24 deaths and led authorities to evacuate thousands.

The US National Hurricane Center said Manuel began to weaken as soon as it made landfall near the port of Manzanillo during the afternoon, but remained a threat to produce flash floods and mudslides. It was predicted to dissipate by Monday.

In the southern coastal state of Guerrero, authorities said a landslide on the outskirts of Acapulco buried a house and killed six family members. Three people were swept to their deaths by a river, also on the edge of the resort city. A collapsing wall killed one person in the city.

Elsewhere in Guerrero, six people died when their pickup truck skidded on a rain-swept highway in the mountains, and landslides killed two more people.

The rains caused some rivers to overflow, damaging hundreds of homes and disrupting communications for several hours.

Rains from Ingrid caused landslides that killed three people in the central state of Puebla, and a woman died when a landslide buried her house in Hidalgo state.

In the southern state of Oaxaca, which was affected by both storms, authorities said a child died after being swept away by a swollen river and a teenager was killed by a landslide.

The Hurricane Center said Ingrid, the second hurricane of the Atlantic storm season, could reach the Mexican mainland by Monday morning.

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